:root {
  --navy: #0A3D62;
  --aqua: #26B4D7;
  --aqua-light: rgba(38,180,215,0.08);
  --gray: #5F6873;
  --slate: #24394B;
  --light: #f7f9fc;
  --lighter: #f0f4f8;
  --white: #ffffff;
  --dark: #0a1628;
  --font-display: 'Montserrat', Arial, sans-serif;
  --font-body: 'Inter', Arial, sans-serif;
  --radius: 20px;
  --radius-sm: 12px;
  --shadow: 0 4px 24px rgba(10,61,98,0.06);
  --shadow-lg: 0 16px 48px rgba(10,61,98,0.1);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font-body);color:var(--slate);background:var(--white);overflow-x:hidden;line-height:1.65}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4,h5,h6{font-family:var(--font-display);color:var(--navy);line-height:1.15}
img{max-width:100%}
.container{max-width:1200px;margin:0 auto;padding:0 2rem}

/* ===== BUTTONS ===== */
.btn{display:inline-flex;align-items:center;gap:.4rem;padding:.75rem 2rem;font-family:var(--font-display);font-weight:600;font-size:.88rem;border-radius:50px;border:none;cursor:pointer;transition:all .25s}
.btn--glow{background:var(--aqua);color:#fff;box-shadow:0 4px 20px rgba(38,180,215,.25)}
.btn--glow:hover{transform:translateY(-2px);box-shadow:0 8px 32px rgba(38,180,215,.35)}
.btn--primary{background:var(--aqua);color:#fff}
.btn--primary:hover{background:#1ca0c0;transform:translateY(-2px);box-shadow:0 6px 20px rgba(38,180,215,.2)}
.btn--outline{border:1.5px solid var(--navy);color:var(--navy);background:none}
.btn--outline:hover{background:var(--navy);color:#fff}
.btn--white{background:#fff;color:var(--navy);font-weight:700;box-shadow:0 4px 24px rgba(0,0,0,.1)}
.btn--white:hover{transform:translateY(-2px);box-shadow:0 8px 32px rgba(0,0,0,.15)}
.btn--ghost{border:1.5px solid rgba(255,255,255,.3);color:#fff;background:none}
.btn--ghost:hover{border-color:#fff;background:rgba(255,255,255,.1)}
.btn--sm{padding:.5rem 1.4rem;font-size:.8rem}
.btn--lg{padding:1rem 3rem;font-size:1rem}
.btn--danger{background:#e53e3e;color:#fff;border-radius:8px}

/* ===== UTILITY ===== */
.loading{height:100vh;display:flex;align-items:center;justify-content:center;background:var(--white)}
.spinner{width:36px;height:36px;border:3px solid var(--lighter);border-top-color:var(--aqua);border-radius:50%;animation:spin .7s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

/* ===== HEADER ===== */
.site-header{position:sticky;top:0;z-index:1000;background:rgba(255,255,255,.92);backdrop-filter:blur(16px);border-bottom:1px solid rgba(0,0,0,.04);box-shadow:0 1px 12px rgba(0,0,0,.03)}
.header-main{padding:.85rem 0}
.header-main .container{display:flex;justify-content:space-between;align-items:center}
.header-logo img{height:48px}
.header-nav{display:flex;align-items:center;gap:2.2rem}
.header-nav__link{font-family:var(--font-display);font-weight:600;font-size:.87rem;color:var(--navy);transition:.2s;position:relative}
.header-nav__link:hover{color:var(--aqua)}
.header-nav__link--active{color:var(--aqua)}
.lang-flag{background:none;border:none;font-size:1.5rem;cursor:pointer;padding:.25rem;transition:transform .2s}
.lang-flag:hover{transform:scale(1.2)}
.mobile-toggle{display:none;background:none;border:none;cursor:pointer}
.mobile-toggle span{display:block;width:22px;height:2px;background:var(--navy);margin:5px 0}

/* ===== HERO - NỀN SÁNG gradient nhẹ ===== */
.hero{position:relative;min-height:92vh;display:flex;align-items:center;background:linear-gradient(160deg,#f8fbff 0%,#eaf6fb 40%,#f0f7ff 100%);overflow:hidden;padding-top:80px}
.hero__bg{position:absolute;inset:0;pointer-events:none}
.hero__grid-lines{position:absolute;inset:0;background-image:linear-gradient(rgba(38,180,215,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(38,180,215,.03) 1px,transparent 1px);background-size:80px 80px}
.hero__orb{position:absolute;border-radius:50%;filter:blur(100px);opacity:.5}
.hero__orb--1{width:400px;height:400px;background:rgba(38,180,215,.15);top:-80px;right:-50px;animation:drift 12s ease-in-out infinite}
.hero__orb--2{width:300px;height:300px;background:rgba(99,102,241,.08);bottom:-50px;left:-50px;animation:drift 16s ease-in-out infinite reverse}
@keyframes drift{0%,100%{transform:translate(0,0)}50%{transform:translate(20px,-20px)}}

.hero__wrap{display:grid;grid-template-columns:1fr 1fr;gap:5rem;align-items:center;position:relative;z-index:2}
.hero__left h1{font-size:clamp(3rem,7vw,5.5rem);font-weight:900;color:var(--navy);letter-spacing:-2px;margin-bottom:.4rem}
.hero__left h3{font-size:clamp(1rem,2vw,1.4rem);color:var(--aqua);font-weight:700;margin-bottom:1rem}
.hero__left p{color:var(--gray);font-size:1rem;line-height:1.8;max-width:460px;margin-bottom:2.5rem}

/* Solar system replaces eco-grid */

/* Solar System - JS driven */
.solar-system{position:relative;width:500px;height:500px;margin:0 auto;perspective:900px}
.solar-orbit{position:absolute;border-radius:50%;top:50%;left:50%;transform:translate(-50%,-50%) rotateX(60deg);transform-style:preserve-3d}
.solar-orbit--1{width:260px;height:260px;border:1.5px solid rgba(38,180,215,.15);animation:orbit3d 20s linear infinite}
.solar-orbit--2{width:420px;height:420px;border:1.5px solid rgba(38,180,215,.1);animation:orbit3d 30s linear infinite reverse}
@keyframes orbit3d{to{transform:translate(-50%,-50%) rotateX(60deg) rotateZ(360deg)}}
.solar-center{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:130px;height:130px;background:var(--white);border:2.5px solid rgba(38,180,215,.25);border-radius:50%;display:flex;align-items:center;justify-content:center;box-shadow:0 8px 40px rgba(38,180,215,.18),0 0 60px rgba(38,180,215,.06);z-index:3}
.solar-center img{width:78px}
.solar-dots{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%) rotateX(60deg);border-radius:50%}
.solar-dots--1{width:260px;height:260px;animation:orbit3d 10s linear infinite}
.solar-dots--2{width:420px;height:420px;animation:orbit3d 16s linear infinite reverse}
.solar-dots i{position:absolute;width:6px;height:6px;background:var(--aqua);border-radius:50%;opacity:.7;box-shadow:0 0 8px var(--aqua),0 0 14px rgba(38,180,215,.3)}
.solar-dots--1 i:nth-child(1){top:0;left:50%;margin-left:-3px}
.solar-dots--1 i:nth-child(2){bottom:0;left:50%;margin-left:-3px}
.solar-dots--2 i:nth-child(1){top:50%;left:0;margin-top:-3px}
.solar-dots--2 i:nth-child(2){top:50%;right:0;margin-top:-3px}
.solar-planet{position:absolute;z-index:4}
.solar-planet__inner{display:flex;flex-direction:column;align-items:center;gap:.4rem}
.solar-planet__icon{width:68px;height:68px;background:var(--white);border:2px solid rgba(38,180,215,.18);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.9rem;box-shadow:0 4px 16px rgba(10,61,98,.08);transition:all .3s;cursor:pointer}
.solar-planet__icon:hover{border-color:var(--aqua);box-shadow:0 4px 24px rgba(38,180,215,.3);transform:scale(1.12)}
.solar-planet__label{font-family:var(--font-display);font-weight:700;font-size:.72rem;color:var(--navy);text-align:center;white-space:nowrap;background:var(--white);padding:.3rem .7rem;border-radius:8px;box-shadow:0 4px 12px rgba(0,0,0,.1);opacity:0;transition:opacity .2s;pointer-events:none}
.solar-planet__inner:hover .solar-planet__label{opacity:1}

/* ===== STATS BAR - Dark accent ===== */
.stats-bar{background:var(--navy);padding:3.5rem 0;position:relative;overflow:hidden}
.stats-bar::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,transparent,rgba(38,180,215,.03),transparent);animation:statsShimmer 5s ease-in-out infinite}
@keyframes statsShimmer{0%,100%{opacity:0}50%{opacity:1}}
.stats-bar__wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:2rem;text-align:center;position:relative}
.stat{padding:1.25rem 1rem;border-radius:12px;transition:all .3s;border:1px solid transparent}
.stat:hover{background:rgba(255,255,255,.04);border-color:rgba(38,180,215,.1);transform:translateY(-3px)}
.stat strong{display:block;font-family:var(--font-display);font-size:clamp(1.8rem,3.5vw,2.4rem);font-weight:800;color:var(--aqua);margin-bottom:.3rem}
.stat span{color:rgba(255,255,255,.55);font-size:.76rem;line-height:1.4;display:block}

/* ===== CORE SECTION - Light bg ===== */
.core-section{padding:6rem 0;background:var(--white)}
.core-section__wrap{display:grid;grid-template-columns:.8fr 1.2fr;gap:5rem;align-items:center}
.core-section__img-box{width:280px;height:280px;border-radius:50%;background:linear-gradient(135deg,rgba(38,180,215,.08),rgba(99,102,241,.05));border:1px solid rgba(38,180,215,.12);display:flex;align-items:center;justify-content:center;margin:0 auto;animation:floatY 7s ease-in-out infinite}
.core-section__img-box img{width:120px;opacity:.4}
@keyframes floatY{0%,100%{transform:translateY(0)}50%{transform:translateY(-12px)}}
.core-section__text h2{font-size:clamp(1.5rem,3vw,2rem);font-weight:800;margin-bottom:1rem}
.core-section__text p{color:var(--gray);line-height:1.85;margin-bottom:1.5rem}
.core-section__text ul{list-style:none;margin-bottom:2rem}
.core-section__text li{padding:.5rem 0;color:var(--slate);font-weight:500;display:flex;align-items:center;gap:.75rem}
.core-section__text li::before{content:"";width:8px;height:8px;background:var(--aqua);border-radius:50%;flex-shrink:0}

/* ===== PRODUCTS SECTION - Light alternating ===== */
.products-section{padding:6rem 0;background:var(--light)}
.products-section__title{font-size:clamp(1.5rem,3vw,2.2rem);font-weight:800;text-align:center;margin-bottom:4rem}
.product-block{display:grid;grid-template-columns:1fr 1fr;gap:4rem;align-items:center;margin-bottom:4rem;padding-bottom:4rem;border-bottom:1px solid rgba(0,0,0,.05)}
.product-block:last-child{border-bottom:none;margin-bottom:0;padding-bottom:0}
.product-block--reverse{direction:rtl}
.product-block--reverse>*{direction:ltr}
.product-block__placeholder{background:linear-gradient(135deg,var(--navy),#0d5280);border-radius:var(--radius);padding:3.5rem 2rem;text-align:center;color:#fff;font-family:var(--font-display);font-weight:700;font-size:1.2rem;min-height:280px;display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden;box-shadow:var(--shadow-lg)}
.product-block__placeholder::before{content:"";position:absolute;width:200px;height:200px;background:radial-gradient(circle,rgba(38,180,215,.2),transparent);top:-60px;right:-60px;border-radius:50%}
.product-block__image{width:100%;border-radius:var(--radius);box-shadow:var(--shadow-lg);object-fit:cover;height:280px}
.product-block__info h2{font-size:1.5rem;margin-bottom:.75rem}
.product-block__info p{color:var(--gray);line-height:1.8;margin-bottom:1.5rem;font-size:.92rem}
.product-block__stats{display:flex;gap:2rem;margin-bottom:2rem}
.product-block__stat strong{display:block;font-family:var(--font-display);font-size:1.6rem;font-weight:800;color:var(--aqua)}
.product-block__stat span{font-size:.72rem;color:var(--gray)}

/* ===== PARTNERS - White ===== */
.partners-section{padding:4rem 0;background:var(--white)}
.partners-section h2{text-align:center;font-size:1.4rem;margin-bottom:2rem}
.marquee{overflow:hidden;padding:1rem 0}
.marquee__track{display:flex;gap:1.5rem;animation:marqueeScroll 25s linear infinite;width:max-content}
.marquee__logo{background:var(--light);border:1px solid #e8ecf0;border-radius:10px;padding:.9rem 2.5rem;font-family:var(--font-display);font-weight:700;font-size:.85rem;color:var(--navy);white-space:nowrap}
@keyframes marqueeScroll{to{transform:translateX(-50%)}}

/* ===== NEWS - White ===== */
.news-section{padding:5rem 0;background:var(--white)}
.news-section__header{display:flex;justify-content:space-between;align-items:center;margin-bottom:2.5rem}
.news-section__header h2{font-size:1.5rem}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem}
.news-card{display:block;background:#fff;border-radius:var(--radius-sm);overflow:hidden;border:1px solid #eef1f5;transition:all .3s;cursor:pointer}
.news-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.news-card__thumb{height:180px;background-size:cover;background-position:center}
.news-card__content{padding:1.25rem}
.news-card__tag{display:inline-block;background:var(--aqua-light);color:var(--aqua);padding:.15rem .7rem;border-radius:50px;font-size:.68rem;font-weight:700;margin-bottom:.5rem}
.news-card__content h4{font-size:.9rem;line-height:1.4;margin-bottom:.4rem;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card__content p{font-size:.78rem;color:var(--gray);line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:.4rem}
.news-card__content time{font-size:.7rem;color:#9ca3af}

/* News detail */
.news-detail__content p{color:var(--gray);line-height:1.9;margin-bottom:1.25rem;font-size:1rem;text-align:justify}
.news-card__content p{text-align:justify}
.job-desc{color:var(--gray);line-height:1.8;font-size:.95rem;text-align:justify}
.pd-info__desc{text-align:justify}
.svc-detail p{text-align:justify}
.product-block__info p{text-align:justify}
.abt-who__text p{text-align:justify}
.core-section__text p{text-align:justify}
.abt-sector-card p{text-align:justify}
.abt-unit-card p{text-align:justify}

/* ===== CTA - Gradient dark ===== */
.cta-section{padding:5rem 0;background:linear-gradient(135deg,var(--navy),#0d5280);position:relative;overflow:hidden}
.cta-section::before{content:"";position:absolute;width:500px;height:250px;background:radial-gradient(ellipse,rgba(38,180,215,.15),transparent);top:50%;left:50%;transform:translate(-50%,-50%);filter:blur(60px)}
.cta-section__inner{text-align:center;position:relative;z-index:2}
.cta-section__inner h2{color:#fff;font-size:clamp(1.5rem,3vw,2.2rem);margin-bottom:2rem}

/* ===== FOOTER ===== */
.site-footer{background:var(--navy);color:#fff;padding:4rem 0 0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:3rem;padding-bottom:3rem}
.footer-brand p{color:rgba(255,255,255,.5);font-size:.83rem;margin-top:1rem;line-height:1.7}
.footer-col h4{color:var(--aqua);font-size:.82rem;margin-bottom:1rem;font-weight:700}
.footer-col a,.footer-col span{display:block;color:rgba(255,255,255,.5);font-size:.83rem;padding:.25rem 0;transition:.2s}
.footer-col a:hover{color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:1.25rem 0;text-align:center;font-size:.72rem;color:rgba(255,255,255,.35)}

/* ===== PAGE HERO - Gradient sáng ===== */
.page-hero{background:linear-gradient(160deg,#f0f7ff,#e8f4fb,#f5f9ff);padding:8rem 0 4rem;text-align:center}
.page-hero h1{font-size:clamp(2rem,4vw,2.8rem)}
.page-hero p{color:var(--gray);margin-top:.5rem;font-size:1.05rem}

/* ===== INNER PAGES ===== */
/* About page - osp.vn style */
.abt-hero{background:linear-gradient(160deg,#e8f4fb,#f0f7ff);padding:9rem 0 4rem;text-align:center}
.abt-hero h1{font-size:clamp(2.2rem,4.5vw,3.2rem);margin-bottom:.5rem}
.abt-hero p{color:var(--gray);font-size:1.05rem;max-width:580px;margin:0 auto}

.abt-who{padding:5rem 0;background:var(--white)}
.abt-who__wrap{display:grid;grid-template-columns:1.4fr 1fr;gap:4rem;align-items:start}
.abt-who__text h2{font-size:1.6rem;margin-bottom:1.25rem}
.abt-who__text p{color:var(--gray);line-height:1.85;margin-bottom:1rem}
.abt-who__links{display:grid;grid-template-columns:1fr 1fr;gap:.75rem}
.abt-contact-card{display:flex;align-items:center;gap:.6rem;padding:1rem 1.25rem;background:var(--light);border:1px solid #e8ecf0;border-radius:12px;font-size:.85rem;font-weight:600;color:var(--navy);transition:.3s}
.abt-contact-card:hover{border-color:var(--aqua);background:var(--white);box-shadow:var(--shadow)}
.abt-contact-card span{font-size:1.2rem}

.abt-section-title{font-size:1.6rem;text-align:center;margin-bottom:1rem}
.abt-section-sub{text-align:center;color:var(--gray);margin-bottom:2.5rem}

.abt-philosophy{padding:5rem 0;background:var(--light)}
.abt-philo-list{display:flex;flex-direction:column;gap:3rem;margin-top:2.5rem}
.abt-philo-item{display:grid;grid-template-columns:1.3fr .7fr;gap:3rem;align-items:center;padding:2.5rem;background:var(--white);border-radius:var(--radius);box-shadow:var(--shadow);border:1px solid #eef1f5;transition:all .4s;position:relative;overflow:hidden}
.abt-philo-item::before{content:"";position:absolute;top:0;left:0;width:4px;height:0;background:linear-gradient(180deg,var(--aqua),transparent);transition:height .4s}
.abt-philo-item:hover{box-shadow:var(--shadow-lg);border-color:var(--aqua);transform:translateX(6px)}
.abt-philo-item:hover::before{height:100%}
.abt-philo-item:nth-child(even){grid-template-columns:.7fr 1.3fr;direction:rtl}
.abt-philo-item:nth-child(even)>*{direction:ltr}
.abt-philo-item:nth-child(even)::before{left:auto;right:0}
.abt-philo-item__num{font-family:var(--font-display);font-size:4rem;font-weight:900;background:linear-gradient(135deg,var(--aqua),rgba(38,180,215,.2));-webkit-background-clip:text;-webkit-text-fill-color:transparent;display:block;margin-bottom:.5rem;transition:transform .3s}
.abt-philo-item:hover .abt-philo-item__num{transform:scale(1.1)}
.abt-philo-item h3{font-size:1.25rem;margin-bottom:.6rem}
.abt-philo-item p{color:var(--gray);line-height:1.7;margin-bottom:1rem;font-size:.9rem}
.abt-philo-item ul{list-style:none}
.abt-philo-item li{padding:.35rem 0;color:var(--slate);font-size:.85rem;padding-left:1.4rem;position:relative;transition:transform .2s}
.abt-philo-item:hover li{transform:translateX(4px)}
.abt-philo-item li::before{content:"→";color:var(--aqua);position:absolute;left:0;font-weight:bold;font-size:.8rem}
.abt-philo-item__visual{display:flex;align-items:center;justify-content:center}
.abt-philo-item__visual img{width:140px;opacity:.08;transition:all .4s}
.abt-philo-item:hover .abt-philo-item__visual img{opacity:.2;transform:rotate(15deg) scale(1.1)}

.abt-units{padding:5rem 0;background:var(--white)}
.abt-units-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem;margin-top:2.5rem}
.abt-unit-card{padding:2rem;background:var(--light);border-radius:var(--radius);border:1px solid #e8ecf0;transition:.3s;text-align:center}
.abt-unit-card:hover{border-color:var(--aqua);box-shadow:var(--shadow-lg);transform:translateY(-4px)}
.abt-unit-card__icon{font-size:2.5rem;margin-bottom:1rem}
.abt-unit-card h3{font-size:1.1rem;margin-bottom:.6rem}
.abt-unit-card p{color:var(--gray);font-size:.83rem;line-height:1.7}

.abt-sectors{padding:5rem 0;background:var(--light)}
.abt-sectors-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1.5rem}
.abt-sector-card{padding:2rem;background:var(--white);border-radius:var(--radius);border:1px solid #e8ecf0;box-shadow:var(--shadow);transition:.3s}
.abt-sector-card:hover{border-color:var(--aqua);transform:translateY(-3px);box-shadow:var(--shadow-lg)}
.abt-sector-card__num{font-size:.7rem;font-weight:700;color:var(--aqua);letter-spacing:1px;display:block;margin-bottom:.5rem}
.abt-sector-card h3{font-size:1rem;margin-bottom:.4rem}
.abt-sector-card p{color:var(--gray);font-size:.83rem;line-height:1.6}

.abt-cta{padding:5rem 0;background:linear-gradient(135deg,var(--navy),#0d5280)}
.abt-cta h2{color:#fff;font-size:1.6rem;margin-bottom:1.5rem}

/* Other pages */
.about-content{max-width:750px;margin:0 auto;padding:3rem 0}
.about-content p{color:var(--gray);line-height:1.9;margin-bottom:1.5rem;font-size:1.05rem}

/* Job listing */
.job-card{display:flex;justify-content:space-between;align-items:center;padding:1.5rem 2rem;margin-bottom:1rem;background:var(--white);border:1px solid #eef1f5;border-radius:var(--radius-sm);box-shadow:var(--shadow);transition:.3s;text-decoration:none}
.job-card:hover{border-color:var(--aqua);box-shadow:var(--shadow-lg);transform:translateY(-3px)}
.job-card__info h3{font-size:1.1rem;margin-bottom:.4rem;color:var(--navy)}
.job-card__tags{display:flex;gap:.5rem;flex-wrap:wrap;margin-bottom:.4rem}
.job-card__tags span{font-size:.72rem;background:var(--aqua-light);color:var(--aqua);padding:.2rem .6rem;border-radius:50px;font-weight:600}
.job-card__desc{color:var(--gray);font-size:.83rem;line-height:1.5}
.job-card__arrow{font-size:1.5rem;color:var(--aqua);font-weight:700}

/* Job detail */
.job-meta{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;margin-bottom:2.5rem}
.job-meta__item{padding:1.25rem;background:var(--light);border-radius:12px;text-align:center}
.job-meta__item strong{display:block;font-size:.75rem;color:var(--gray);margin-bottom:.3rem}
.job-meta__item span{font-family:var(--font-display);font-weight:700;color:var(--navy);font-size:1rem}
.job-heading{font-size:1.2rem;margin:2rem 0 .75rem;padding-bottom:.5rem;border-bottom:2px solid var(--light)}
.job-desc{color:var(--gray);line-height:1.8;font-size:.95rem}
.job-requirements{padding-left:1.5rem;margin-top:.5rem}
.job-requirements li{color:var(--slate);line-height:1.8;font-size:.9rem}
.contact-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:1.5rem;margin-top:2rem}
.contact-card{background:#fff;padding:2rem;border-radius:var(--radius-sm);border:1px solid #eef1f5;box-shadow:var(--shadow);transition:.3s}
.contact-card:hover{border-color:var(--aqua);box-shadow:var(--shadow-lg)}
.contact-card h3{font-size:.9rem;margin-bottom:.5rem}
.contact-card p{color:var(--aqua);font-weight:600}
.svc-detail{border:1px solid #eef1f5;border-radius:var(--radius-sm);padding:2.5rem;margin-bottom:1.5rem;background:#fff;box-shadow:var(--shadow);transition:.3s}
.svc-detail:hover{border-color:var(--aqua);box-shadow:var(--shadow-lg)}
.svc-detail h3{font-size:1.3rem;margin-bottom:.75rem}
.svc-detail p{color:var(--gray);line-height:1.75;margin-bottom:1.25rem}
.svc-detail__stats{display:flex;gap:2rem}
.svc-detail__stat strong{display:block;font-size:1.4rem;color:var(--aqua);font-family:var(--font-display);font-weight:800}
.svc-detail__stat span{font-size:.75rem;color:var(--gray)}

/* ===== ADMIN ===== */
.admin-layout{display:flex;min-height:100vh}
.admin-sidebar{width:240px;background:var(--navy);flex-shrink:0;padding:1.5rem 0}
.admin-sidebar__brand{padding:0 1.5rem 1.5rem;color:#fff;font-family:var(--font-display);font-weight:700;border-bottom:1px solid rgba(255,255,255,.08)}
.admin-sidebar__nav{margin-top:.75rem}
.admin-sidebar__link{display:block;width:100%;padding:.6rem 1.5rem;color:rgba(255,255,255,.55);font-size:.82rem;cursor:pointer;transition:.15s;border:none;background:none;text-align:left}
.admin-sidebar__link:hover{color:#fff;background:rgba(255,255,255,.05)}
.admin-sidebar__link--active{color:var(--aqua);background:rgba(38,180,215,.08);border-left:3px solid var(--aqua)}
.admin-main{flex:1;background:#f8fafb;padding:2rem;overflow-y:auto}
.admin-topbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:2rem;padding-bottom:1.25rem;border-bottom:1px solid #e5e7eb}
.admin-topbar h1{font-size:1.3rem}
.admin-card{background:#fff;border-radius:var(--radius-sm);padding:1.5rem;box-shadow:0 2px 12px rgba(0,0,0,.03);margin-bottom:1.5rem;border:1px solid #f0f0f0}
.admin-card__header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1rem;padding-bottom:.75rem;border-bottom:1px solid #f0f0f0}
.admin-card__header h3{font-size:.95rem}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.form-group{margin-bottom:.85rem}
.form-group label{display:block;font-size:.76rem;font-weight:600;color:var(--navy);margin-bottom:.2rem}
.form-group input,.form-group textarea,.form-group select{width:100%;padding:.55rem .75rem;border:1px solid #e5e7eb;border-radius:8px;font-size:.85rem;transition:.2s;background:#fafbfc}
.form-group input:focus,.form-group textarea:focus{outline:none;border-color:var(--aqua);box-shadow:0 0 0 3px rgba(38,180,215,.08);background:#fff}
.form-group textarea{min-height:80px;resize:vertical}

/* ===== INTRO SPLASH ===== */
.intro{position:fixed;inset:0;z-index:9999;background:var(--white);display:flex;align-items:center;justify-content:center;transition:opacity .6s ease}
.intro--fade{opacity:0;pointer-events:none}
.intro__content{text-align:center}
.intro__logo-wrap{margin-bottom:1.5rem;animation:introScale 1s cubic-bezier(.4,0,.2,1) forwards}
.intro__symbol{width:80px;height:80px}
.intro__text{display:flex;gap:.1rem;justify-content:center}
.intro__text span{font-family:var(--font-display);font-size:2.2rem;font-weight:900;color:var(--navy);opacity:0;animation:introLetter .4s ease forwards}
.intro__text span:nth-child(1){animation-delay:.3s}
.intro__text span:nth-child(2){animation-delay:.4s}
.intro__text span:nth-child(3){animation-delay:.5s}
.intro__text span:nth-child(4){animation-delay:.6s}
.intro__text span:nth-child(5){animation-delay:.7s}
.intro__text span:nth-child(6){animation-delay:.8s}
@keyframes introScale{from{transform:scale(.5);opacity:0}to{transform:scale(1);opacity:1}}
@keyframes introLetter{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}

/* ===== RESPONSIVE ===== */
@media(max-width:768px){
  .hero__wrap{grid-template-columns:1fr;text-align:center}
  .hero__left p{margin:0 auto 2rem}
  .hero__right{display:none}
  .stats-bar__wrap{grid-template-columns:repeat(2,1fr)}
  .core-section__wrap{grid-template-columns:1fr}
  .core-section__visual{display:none}
  .product-block,.product-block--reverse{grid-template-columns:1fr;direction:ltr}
  .news-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
  .mobile-toggle{display:block}
  .header-nav{display:none;position:fixed;top:80px;left:0;right:0;background:rgba(255,255,255,.98);padding:2rem;flex-direction:column;gap:1.25rem;box-shadow:var(--shadow-lg);backdrop-filter:blur(16px)}
  .header-nav--open{display:flex}
  .admin-layout{flex-direction:column}
  .admin-sidebar{width:100%}
  .form-row{grid-template-columns:1fr}
}


.contact-form-wrapper{margin-top:3rem;padding:2.5rem;background:var(--light);border-radius:var(--radius-sm);border:1px solid #eef1f5}
.contact-form-wrapper h2{margin-bottom:.5rem;color:var(--navy)}
.contact-form{display:flex;flex-direction:column;gap:1rem}
.contact-form__row{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.contact-form input,.contact-form textarea{width:100%;padding:.875rem 1rem;border:1px solid #dde2e8;border-radius:8px;font-size:.95rem;font-family:inherit;transition:border .2s}
.contact-form input:focus,.contact-form textarea:focus{outline:none;border-color:var(--aqua);box-shadow:0 0 0 3px rgba(0,188,212,.1)}
.contact-form textarea{resize:vertical}
.contact-form .btn{align-self:flex-start;margin-top:.5rem}
.contact-form__success{color:#10b981;font-weight:600;margin-top:.5rem}
@media(max-width:600px){.contact-form__row{grid-template-columns:1fr}}


.products-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:2rem}
.product-card{background:#fff;border-radius:var(--radius-sm);border:1px solid #eef1f5;overflow:hidden;box-shadow:var(--shadow);transition:.3s;text-decoration:none;color:inherit;display:block}
.product-card:hover{transform:translateY(-4px);box-shadow:0 12px 32px rgba(0,0,0,.1)}
.product-card__img{height:200px;background-size:cover;background-position:center}
.product-card__body{padding:1.5rem}
.product-card__cat{font-size:.75rem;font-weight:600;color:var(--aqua);text-transform:uppercase;letter-spacing:.5px}
.product-card__body h4{margin:.5rem 0;color:var(--navy)}
.product-card__body p{color:var(--gray);font-size:.9rem;line-height:1.6}
@media(max-width:900px){.products-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.products-grid{grid-template-columns:1fr}}


.product-filter-bar{display:flex;gap:1rem;margin-bottom:2rem;align-items:center;flex-wrap:wrap}
.product-dropdown{position:relative}
.product-dropdown__btn{display:flex;align-items:center;gap:.5rem;padding:.7rem 1.25rem;border:1px solid #dde2e8;border-radius:8px;background:#fff;font-size:.9rem;font-weight:600;color:var(--navy);cursor:pointer;transition:.2s;white-space:nowrap}
.product-dropdown__btn:hover{border-color:var(--aqua)}
.product-dropdown__list{position:absolute;top:calc(100% + 6px);left:0;min-width:220px;background:#fff;border:1px solid #eef1f5;border-radius:10px;box-shadow:0 8px 24px rgba(0,0,0,.12);list-style:none;padding:.5rem 0;z-index:100;animation:fadeDown .15s ease}
.product-dropdown__list li{padding:.6rem 1.25rem;font-size:.9rem;color:var(--navy);cursor:pointer;transition:.15s}
.product-dropdown__list li:hover{background:var(--light);color:var(--aqua)}
.product-dropdown__list li.active{color:var(--aqua);font-weight:600}
.product-search{display:flex;align-items:center;gap:.5rem;padding:.7rem 1rem;border:1px solid #dde2e8;border-radius:8px;flex:1;max-width:320px;transition:.2s}
.product-search:focus-within{border-color:var(--aqua);box-shadow:0 0 0 3px rgba(0,188,212,.1)}
.product-search input{border:none;outline:none;font-size:.9rem;width:100%;background:transparent}
@keyframes fadeDown{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:translateY(0)}}

.pd-layout{display:grid;grid-template-columns:1fr 1fr;gap:3rem;align-items:start}
.pd-gallery__main{border-radius:12px;overflow:hidden;margin-bottom:1rem}
.pd-gallery__main img{width:100%;height:360px;object-fit:cover;display:block}
.pd-gallery__thumbs{display:flex;gap:.5rem}
.pd-gallery__thumb{width:80px;height:56px;border-radius:8px;overflow:hidden;border:2px solid transparent;cursor:pointer;opacity:.6;transition:.2s}
.pd-gallery__thumb:hover{opacity:1}
.pd-gallery__thumb--active{border-color:var(--aqua);opacity:1}
.pd-gallery__thumb img{width:100%;height:100%;object-fit:cover}
.pd-info h2{margin:.5rem 0 1rem;color:var(--navy)}
.pd-info__desc{color:var(--gray);line-height:1.8;font-size:1rem;margin-bottom:1.5rem}
.pd-specs{background:var(--light);border-radius:10px;padding:1.25rem 1.5rem}
.pd-specs h4{margin-bottom:.75rem;color:var(--navy);font-size:.95rem}
.pd-specs ul{list-style:none;padding:0;margin:0}
.pd-specs ul li{position:relative;padding-left:1.25rem;color:var(--gray);font-size:.9rem;line-height:2}
.pd-specs ul li::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:6px;height:6px;border-radius:50%;background:var(--aqua)}
@media(max-width:768px){.pd-layout{grid-template-columns:1fr}}