:root{--deep:#060d1f;--abyss:#0b1529;--navy:#112240;--ocean:#0ea5e9;--glow:#38bdf8;--aqua:#7dd3fc;--gold:#f59e0b;--coral:#f97316;--white:#f0f9ff;--muted:#94a3b8;--surface:#1e293b;--surface2:#162032;--border:rgba(255,255,255,0.08);--font:'Outfit',sans-serif;--radius:12px;--radius-lg:20px;--transition:0.3s ease;}*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}html{scroll-behavior:smooth;scroll-padding-top:80px;}body{font-family:var(--font);font-size:16px;line-height:1.6;color:var(--white);background:var(--deep);-webkit-font-smoothing:antialiased;}img{max-width:100%;height:auto;display:block;}a{text-decoration:none;color:inherit;}ul{list-style:none;}.skip-link{position:absolute;top:-100%;left:50%;transform:translateX(-50%);background:var(--ocean);color:var(--deep);padding:8px 24px;border-radius:0 0 var(--radius) var(--radius);font-weight:700;z-index:200;transition:top 0.2s;}.skip-link:focus{top:0;}.breadcrumb{padding:12px 0;font-size:13px;color:var(--muted);border-bottom:1px solid var(--border);margin-top:68px;}.breadcrumb a{color:var(--glow);transition:color var(--transition);}.breadcrumb a:hover{color:var(--aqua);}.breadcrumb__sep{margin:0 6px;opacity:0.4;}.breadcrumb span:last-child{color:var(--white);}.container{max-width:1140px;margin:0 auto;padding:0 24px;}.header{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(6,13,31,0.85);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid var(--border);transition:background var(--transition);}.header--scrolled{background:rgba(6,13,31,0.95);}.header__inner{display:flex;align-items:center;justify-content:space-between;height:68px;}.header__logo{display:flex;align-items:center;gap:10px;}.logo-img{width:36px;height:36px;border-radius:8px;object-fit:cover;}.logo-text{font-weight:700;font-size:18px;letter-spacing:3px;color:var(--white);}.header__nav{display:flex;gap:28px;}.nav-link{font-weight:500;font-size:14px;color:var(--muted);letter-spacing:0.5px;transition:color var(--transition);}.nav-link:hover{color:var(--glow);}.header__actions{display:flex;align-items:center;gap:12px;}.lang-toggle{background:transparent;border:1px solid var(--border);border-radius:6px;padding:4px 10px;font-family:var(--font);font-weight:600;font-size:12px;color:var(--muted);cursor:pointer;transition:all var(--transition);}.lang-toggle:hover{border-color:var(--glow);color:var(--glow);}.btn{display:inline-flex;align-items:center;justify-content:center;padding:12px 28px;font-family:var(--font);font-weight:600;font-size:14px;border-radius:var(--radius);border:none;cursor:pointer;transition:all var(--transition);white-space:nowrap;}.btn--sm{padding:10px 20px;font-size:13px;}.btn--lg{padding:16px 36px;font-size:15px;}.btn--glow{background:linear-gradient(135deg,var(--ocean),var(--glow));color:var(--deep);font-weight:700;}.btn--glow:hover{transform:translateY(-2px);box-shadow:0 4px 24px rgba(14,165,233,0.4);}.btn--glass{background:rgba(255,255,255,0.08);color:var(--white);border:1px solid rgba(255,255,255,0.2);}.btn--glass:hover{background:rgba(255,255,255,0.15);border-color:rgba(255,255,255,0.4);}.btn--outline{background:transparent;color:var(--glow);border:1.5px solid var(--ocean);}.btn--outline:hover{background:var(--ocean);color:var(--deep);}.hamburger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:8px;}.hamburger span{display:block;width:22px;height:2px;background:var(--white);transition:all var(--transition);}.hamburger.active span:nth-child(1){transform:rotate(45deg) translate(5px,5px);}.hamburger.active span:nth-child(2){opacity:0;}.hamburger.active span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px);}.hero-split{display:flex;min-height:100vh;position:relative;}.hero-split__half{flex:1;display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden;cursor:pointer;transition:flex var(--transition);}.hero-split__half:hover{flex:1.15;}.hero-split__samui{background:url('../images/barracuda-tornado.jpg') center/cover no-repeat;background:-webkit-image-set(url('../images/barracuda-tornado.webp') type('image/webp'),url('../images/barracuda-tornado.jpg') type('image/jpeg')) center/cover no-repeat;background:image-set(url('../images/barracuda-tornado.webp') type('image/webp'),url('../images/barracuda-tornado.jpg') type('image/jpeg')) center/cover no-repeat;}.hero-split__uae{background:url('../images/triggerfish.jpg') center/cover no-repeat;background:-webkit-image-set(url('../images/triggerfish.webp') type('image/webp'),url('../images/triggerfish.jpg') type('image/jpeg')) center/cover no-repeat;background:image-set(url('../images/triggerfish.webp') type('image/webp'),url('../images/triggerfish.jpg') type('image/jpeg')) center/cover no-repeat;}.hero-split__overlay{position:absolute;inset:0;background:rgba(0,0,0,0.45);transition:background var(--transition);}.hero-split__half:hover .hero-split__overlay{background:rgba(0,0,0,0.25);}.hero-split__content{position:relative;z-index:2;text-align:center;padding:20px;}.hero-split__flag{font-size:48px;display:block;margin-bottom:16px;}.hero-split__title{font-size:clamp(28px,4vw,48px);font-weight:800;margin-bottom:8px;}.hero-split__sub{font-size:16px;color:var(--aqua);margin-bottom:20px;}.hero-split__cta{display:inline-block;padding:10px 24px;border:1px solid rgba(255,255,255,0.3);border-radius:var(--radius);font-weight:600;font-size:14px;transition:all var(--transition);}.hero-split__half:hover .hero-split__cta{border-color:var(--glow);color:var(--glow);box-shadow:0 0 20px rgba(14,165,233,0.3);}.hero-split__center{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);z-index:10;text-align:center;pointer-events:none;}.hero-split__logo{width:100px;height:100px;border-radius:20px;box-shadow:0 0 40px rgba(14,165,233,0.4);margin:0 auto 12px;}.hero-split__brand{font-weight:800;font-size:20px;letter-spacing:4px;}.hero-split__tagline{font-size:13px;color:var(--aqua);}.page-hero{min-height:70vh;display:flex;align-items:center;position:relative;overflow:hidden;}.page-hero--samui{background:url('../images/hero-ocean.jpg') center/cover no-repeat;background:image-set(url('../images/hero-ocean.webp') type('image/webp'),url('../images/hero-ocean.jpg') type('image/jpeg')) center/cover no-repeat;}.page-hero--uae{background:url('../images/batfish.jpg') center/cover no-repeat;background:image-set(url('../images/batfish.webp') type('image/webp'),url('../images/batfish.jpg') type('image/jpeg')) center/cover no-repeat;}.page-hero__overlay{position:absolute;inset:0;background:linear-gradient(180deg,rgba(6,13,31,0.5) 0%,rgba(6,13,31,0.7) 100%);}.page-hero__content{position:relative;padding:120px 24px 80px;}.page-hero__badge{display:inline-block;background:rgba(255,255,255,0.1);border:1px solid rgba(255,255,255,0.2);border-radius:24px;padding:6px 18px;font-size:14px;margin-bottom:20px;}.page-hero__title{font-size:clamp(32px,5vw,56px);font-weight:800;line-height:1.15;margin-bottom:16px;}.page-hero__sub{font-size:18px;color:var(--aqua);margin-bottom:32px;max-width:500px;}.page-hero__actions{display:flex;gap:14px;flex-wrap:wrap;}.section{padding:88px 0;}.section--dark{background:var(--abyss);}.section--dark+.section--dark{padding-top:0;}.section--accent{background:linear-gradient(135deg,var(--navy) 0%,#0c2d4a 100%);border-top:1px solid var(--border);border-bottom:1px solid var(--border);}.section__title{font-weight:800;font-size:clamp(26px,3.5vw,40px);text-align:center;margin-bottom:12px;}.section__subtitle{text-align:center;font-size:16px;color:var(--muted);margin-bottom:48px;max-width:600px;margin-left:auto;margin-right:auto;}.content-block{max-width:700px;margin:0 auto;text-align:center;}.content-block .section__subtitle{max-width:100%;text-align:justify;}.content-block img{width:100%;}.features{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:48px;}.feature{text-align:center;padding:28px 16px;background:var(--surface);border-radius:var(--radius-lg);border:1px solid var(--border);}.feature__number{display:block;font-weight:800;font-size:32px;background:linear-gradient(135deg,var(--ocean),var(--glow));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:4px;}.feature__label{font-size:13px;color:var(--muted);text-transform:uppercase;letter-spacing:1px;}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:32px 24px;text-align:center;transition:all var(--transition);}.card:hover{border-color:rgba(14,165,233,0.3);transform:translateY(-4px);}.card__icon{font-size:40px;margin-bottom:16px;}.card__title{font-weight:700;font-size:18px;margin-bottom:10px;}.card__text{font-size:14px;color:var(--muted);line-height:1.6;}.destinations{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}.destination{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;transition:all var(--transition);}.destination:hover{border-color:rgba(14,165,233,0.3);transform:translateY(-4px);}.destination__visual{height:200px;position:relative;}.destination__visual--samui{background:url('../images/tour-diving-reef.jpg') center/cover no-repeat;background:image-set(url('../images/tour-diving-reef.webp') type('image/webp'),url('../images/tour-diving-reef.jpg') type('image/jpeg')) center/cover no-repeat;}.destination__visual--uae{background:url('../images/dive-center.jpg') center/cover no-repeat;background:image-set(url('../images/dive-center.webp') type('image/webp'),url('../images/dive-center.jpg') type('image/jpeg')) center/cover no-repeat;}.destination__overlay{position:absolute;inset:0;background:radial-gradient(circle at 50% 80%,rgba(14,165,233,0.2) 0%,transparent 60%);}.destination__body{padding:24px;flex:1;display:flex;flex-direction:column;}.destination__flag{font-size:28px;margin-bottom:8px;}.destination__title{font-weight:700;font-size:22px;margin-bottom:8px;}.destination__text{font-size:14px;color:var(--muted);margin-bottom:16px;line-height:1.6;flex:1;}.destination__tags{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:16px;}.destination__tags li{background:rgba(14,165,233,0.1);color:var(--glow);padding:4px 10px;border-radius:20px;font-size:12px;font-weight:500;}.destination__link{color:var(--glow);font-weight:600;font-size:14px;}.tour-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}.tour-grid:has(>:nth-child(2)):not(:has(>:nth-child(3))){grid-template-columns:repeat(2,1fr);}.tour{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:28px 24px;display:flex;flex-direction:column;transition:all var(--transition);}.tour:hover{border-color:rgba(14,165,233,0.3);transform:translateY(-3px);}.tour__img{text-align:center;margin-bottom:1rem;overflow:hidden;border-radius:12px;}.tour__img img{width:100%;height:220px;object-fit:cover;border-radius:12px;}.tour__header{margin-bottom:12px;}.tour__badge{display:inline-block;padding:3px 10px;border-radius:20px;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:0.5px;margin-bottom:8px;}.tour__badge--hot{background:var(--gold);color:var(--deep);}.tour__badge--dive{background:var(--ocean);color:var(--deep);}.tour__badge--snork{background:#06b6d4;color:var(--deep);}.tour__badge--unique{background:var(--coral);color:white;}.tour__title{font-weight:700;font-size:20px;}.tour__desc{font-size:14px;color:var(--muted);line-height:1.6;margin-bottom:16px;flex:1;}.tour__tags{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:20px;}.tour__tags span{background:rgba(255,255,255,0.06);border:1px solid var(--border);padding:4px 10px;border-radius:20px;font-size:12px;color:var(--aqua);}.courses{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}.course{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:32px 24px;text-align:center;display:flex;flex-direction:column;align-items:center;transition:all var(--transition);}.course:hover{transform:translateY(-4px);border-color:rgba(14,165,233,0.3);}.course--featured{border:2px solid var(--ocean);box-shadow:0 -3px 0 0 var(--glow);}.course--featured:hover{border-color:var(--ocean);box-shadow:0 -3px 0 0 var(--glow),0 8px 30px rgba(14,165,233,0.15);}.course__level{display:inline-block;background:rgba(14,165,233,0.1);color:var(--glow);font-weight:700;font-size:11px;padding:4px 14px;border-radius:20px;text-transform:uppercase;letter-spacing:1px;margin-bottom:16px;}.course--featured .course__level{background:var(--ocean);color:var(--deep);}.course__title{font-weight:700;font-size:20px;margin-bottom:10px;}.course__desc{font-size:14px;color:var(--muted);margin-bottom:20px;line-height:1.6;flex:1;}.course__meta{display:flex;gap:8px;margin-bottom:20px;flex-wrap:wrap;justify-content:center;}.course__meta span{background:rgba(255,255,255,0.06);border:1px solid var(--border);padding:4px 12px;border-radius:20px;font-size:12px;color:var(--aqua);}.reasons{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}.reason{text-align:center;}.reason__icon{font-size:40px;display:block;margin-bottom:12px;}.reason h3{font-weight:700;font-size:16px;margin-bottom:8px;}.reason p{font-size:13px;color:var(--aqua);line-height:1.6;}.transfer-cities{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;}.transfer-city{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:24px 32px;text-align:center;min-width:140px;transition:all var(--transition);}.transfer-city:hover{border-color:rgba(14,165,233,0.3);}.transfer-city__name{display:block;font-weight:700;font-size:18px;margin-bottom:4px;}.transfer-city__time{font-size:14px;color:var(--glow);}.brands{display:flex;gap:24px;justify-content:center;flex-wrap:wrap;}.brand{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:24px 48px;font-weight:700;font-size:20px;letter-spacing:2px;color:var(--muted);transition:all var(--transition);}.brand:hover{color:var(--white);border-color:rgba(14,165,233,0.3);}.contacts{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}.contact-block{text-align:center;padding:36px 24px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);transition:all var(--transition);}.contact-block:hover{border-color:rgba(14,165,233,0.3);transform:translateY(-3px);}.contact-block__icon{font-size:32px;display:block;margin-bottom:8px;}.contact-block__label{display:block;font-size:13px;color:var(--muted);margin-bottom:8px;}.contact-block__value{display:block;font-weight:700;font-size:16px;color:var(--glow);}.footer{background:var(--abyss);border-top:1px solid var(--border);padding:40px 0 24px;}.footer__inner{display:flex;flex-direction:column;align-items:center;gap:20px;}.footer__brand{display:flex;align-items:center;gap:12px;}.footer__logo{width:36px;height:36px;border-radius:8px;}.footer__tagline{font-size:12px;color:var(--muted);margin-top:2px;}.footer__nav{display:flex;gap:16px 24px;flex-wrap:wrap;justify-content:center;}.footer__nav a{font-size:14px;color:var(--muted);transition:color var(--transition);}.footer__nav a:hover{color:var(--glow);}.footer__copy{font-size:12px;color:var(--muted);}.fade-in{opacity:0;transform:translateY(20px);transition:opacity 0.6s ease,transform 0.6s ease;}.fade-in.visible{opacity:1;transform:translateY(0);}.hide-mobile{}@media (max-width:768px){.hamburger{display:flex;}.header--menu-open{height:100vh;height:100dvh;background:var(--deep);overflow-y:auto;}.header--menu-open .header__inner{flex-wrap:wrap;align-content:flex-start;height:auto;}.header--menu-open .header__actions{order:-1;position:absolute;right:24px;top:18px;}.header__nav{display:none;flex-direction:column;align-items:center;gap:24px;width:100%;padding:2rem 0;}.header__nav.open{display:flex;animation:slideDown 0.3s ease;}@keyframes slideDown{from{opacity:0;transform:translateY(-10px);}to{opacity:1;transform:translateY(0);}}.nav-link{font-size:18px;padding:12px 24px;}.hide-mobile{display:none !important;}.breadcrumb{display:none;}.hero-split{flex-direction:column;}.hero-split__half{min-height:50vh;}.hero-split__center{display:none;}.hero-split__samui{background:url('../images/barracuda-tornado-768w.webp') center/cover no-repeat;}.hero-split__uae{background:url('../images/triggerfish-768w.webp') center/cover no-repeat;}.page-hero--samui{background:url('../images/hero-ocean-768w.webp') center/cover no-repeat;}.page-hero--uae{background:url('../images/batfish-768w.webp') center/cover no-repeat;}.features{grid-template-columns:repeat(2,1fr);}.cards,.tour-grid,.courses,.contacts{grid-template-columns:1fr;}.angthong-gallery{grid-template-columns:repeat(2,1fr) !important;}.destinations{grid-template-columns:1fr;}.reasons{grid-template-columns:repeat(2,1fr);}.transfer-cities{flex-direction:column;align-items:center;}.section{padding:40px 0;}.page-hero{min-height:60vh;}.page-hero__content{padding:100px 16px 60px;}.page-hero__sub{max-width:100%;}.page-hero__title{font-size:clamp(28px,7vw,56px);}}.price-table__wrap{background:var(--abyss);border:1px solid var(--border);border-radius:var(--radius-lg);padding:2rem;margin-bottom:2rem;}.price-table__wrap h3{color:var(--ocean);font-size:1.3rem;margin-bottom:1.5rem;}.price-table{width:100%;border-collapse:collapse;}.price-table th{text-align:left;color:var(--ocean);font-size:0.85rem;font-weight:600;text-transform:uppercase;letter-spacing:0.05em;padding:0.75rem 1rem;border-bottom:1px solid var(--border);}.price-table th:last-child{text-align:right;}.price-table td{padding:0.85rem 1rem;border-bottom:1px solid var(--border);color:var(--white);font-size:1rem;}.price-table td:last-child{text-align:right;font-weight:700;color:var(--coral);white-space:nowrap;}.price-table tbody tr:last-child td{border-bottom:none;}.price-table tbody tr:hover{background:rgba(14,165,233,0.05);}