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

:root {
    --peach: #f4a57a;
    --peach-light: #fce8da;
    --peach-bg: #fdf4ee;
    --peach-dark: #e07a4a;
    --salmon: #e8735a;
    --coral: #ff6b4a;
    --white: #ffffff;
    --dark: #2d2318;
    --text: #5a4a3a;
    --text-light: #9a8878;
    --gold: #c9a96e;
    --font: 'Be Vietnam Pro', sans-serif;
    --radius: 20px;
    --shadow: 0 20px 60px rgba(200, 120, 80, 0.15);
    --shadow-sm: 0 8px 30px rgba(200, 120, 80, 0.1);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font);
    color: var(--text);
    overflow-x: hidden;
}

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

.container {
    width: 1200px !important;
    max-width: 100% !important;
    margin: 0 auto;
    padding: 0 24px;
}

.container-banner {
    max-width: 100%;
    margin: 0 auto;
    padding: 0;
}

.hidden-pc {
    display: block;
}

.hidden-mb {
    display: block;
}

@media (min-width: 769px) {
    .hidden-pc {
        display: none;
    }

}

@media (max-width: 768px) {

    .hidden-mb {
        display: none;
    }
}

@keyframes autoFloatBtn {
    0% {
        transform: translate(-50%, -50%) scale(1);
    }

    50% {
        transform: translate(-50%, -50%) scale(1.05);
    }

    100% {
        transform: translate(-50%, -50%) scale(1);
    }
}

@keyframes autoFloat2 {
    0% {
        transform: translate(0) scale(1);
    }

    50% {
        transform: translate(-1px) scale(1.05);
    }

    100% {
        transform: translate(0) scale(1);
    }
}

/* ===== TYPOGRAPHY ===== */
.section-label {
    display: inline-block;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--peach);
    margin-bottom: 12px;
}

.section-label.center {
    display: block;
    text-align: center;
}

.section-title {
    font-size: clamp(26px, 4vw, 42px);
    font-weight: 800;
    color: var(--dark);
    line-height: 1.25;
    margin-bottom: 16px;
}

.section-title.center {
    text-align: center;
}

.section-sub {
    font-size: 16px;
    color: var(--text-light);
    max-width: 620px;
    margin: 0 auto 48px;
}

.section-sub.center {
    text-align: center;
}

.highlight {
    color: var(--peach);
}

/* ===== BUTTONS ===== */
.btn-primary {
    display: inline-block;
    background: linear-gradient(135deg, var(--peach) 0%, var(--coral) 100%);
    color: var(--white);
    padding: 14px 32px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 15px;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 8px 25px rgba(228, 100, 60, 0.35);
    letter-spacing: 0.3px;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 14px 35px rgba(228, 100, 60, 0.45);
}

.btn-primary.full-width {
    width: 100%;
    text-align: center;
    padding: 16px;
    font-size: 16px;
}

.btn-outline {
    display: inline-block;
    background: transparent;
    color: var(--peach);
    padding: 14px 32px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 15px;
    border: 2px solid var(--peach);
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-outline:hover {
    background: var(--peach-light);
    transform: translateY(-3px);
}

/* ===== SECTIONS ===== */
section {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

section.visible {
    opacity: 1 !important;
    transform: translateY(0) !important;
}

/* ===== NAVBAR ===== */
.navbar {
    position: sticky;
    top: 0;
    z-index: 1000;
    opacity: 1 !important;
    transform: none !important;
    height: 0;
}

.navbar.scrolled {
    background: #fef4ed;
    height: 64px;
}

.nav-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 10px 40px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.scrolled .nav-inner {
    align-items: center;
    transition: 0.3s;
}

.nav-menu-btn img {
    width: 100%;
    height: 100%;
}

.nav-menu-btn {
    width: 70px;
    height: 13px;
    display: flex;
    align-items: center;
}

.nav-logo-img {
    width: 170px;
}

.nav-menu-btn:hover {
    color: var(--peach);
}

.hamburger-icon {
    font-size: 18px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}

.nav-logo-text {
    font-size: 22px;
    font-weight: 900;
    letter-spacing: 4px;
    color: var(--dark);
    font-style: italic;
}

.nav-phone {
    display: flex;
    align-items: start;
    gap: 8px;
    font-size: 14px;
    font-weight: 600;
    color: var(--dark);
    text-decoration: none;
    transition: color 0.2s;
}

.nav-phone .nav-phone-img {
    width: 12px;
}


/* Side menu drawer */
.side-menu {
    position: fixed;
    top: 0;
    left: -280px;
    width: 260px;
    height: 100vh;
    background: var(--white);
    z-index: 2000;
    padding: 40px 20px;
    transition: left 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 4px 0 30px rgba(0, 0, 0, 0.12);
}

.side-menu.open {
    left: 0;
}

.side-menu-close {
    background: none;
    border: none;
    font-size: 20px;
    cursor: pointer;
    color: var(--text-light);
    margin-bottom: 28px;
    display: block;
    margin-left: auto;
}

.side-menu ul,
.side-menu .side-menu-nav {
    list-style: none !important;
    display: block !important;
    /* override theme flex/inline-flex */
    flex-direction: unset !important;
    padding: 0 !important;
    margin: 0 !important;
}

/* Ẩn sub-menu trong side drawer (nếu muốn dùng accordion riêng sau) */
.side-menu .side-menu-nav ul.sub-menu {
    display: none !important;
}

.menu-item-has-children:hover ul.sub-menu {
    display: block !important;
    padding-left: 20px !important;
}

#menu-main-menu a {
    text-align: left !important;
}

.side-menu li,
.side-menu .side-menu-nav li {
    border-bottom: 1px solid rgba(244, 165, 122, 0.12);
}

.side-menu a,
.side-menu .side-menu-nav a {
    display: block;
    padding: 14px 0;
    font-size: 15px;
    font-weight: 600;
    color: var(--dark);
    text-decoration: none;
    transition: color 0.2s, padding-left 0.2s;
}

.side-menu a:hover,
.side-menu .side-menu-nav a:hover {
    color: var(--peach);
    padding-left: 6px;
}

.side-menu-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    z-index: 1999;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.35s ease;
}

.side-menu-overlay.open {
    opacity: 1;
    pointer-events: all;
}

/* ===== HERO BANNER ===== */
.hero-banner {
    position: relative;
    background: #fef4ed;
    height: 100vh;
    overflow: hidden;
    padding: 0;
    opacity: 1 !important;
    transform: none !important;
}

.hero-bg,
.container-banner {
    height: 100%;
}

.hero-bg {
    line-height: 0;
}

.hero-bg-img,
.hero-bg-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* Responsive Hero Video */
@media (max-width: 768px) {
    .hero-bg-video.pc-video {
        display: none !important;
    }

    .hero-bg-video.mb-video {
        display: block !important;
    }
}

@media (min-width: 769px) {
    .hero-bg-video.pc-video {
        display: block !important;
    }

    .hero-bg-video.mb-video {
        display: none !important;
    }
}


.hero-banner-inner {
    position: relative;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: stretch;
    min-height: 480px;
}

/* Left column: text + devices */
.hero-text-col {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 48px 0 80px;
    z-index: 2;
}

.hero-pre {
    font-size: clamp(22px, 3vw, 36px);
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 10px;
    font-style: italic;
}

.hero-badge-tag {
    display: inline-block;
    background: var(--peach-light);
    color: var(--peach-dark);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 2px;
    padding: 5px 14px;
    border-radius: 20px;
    margin-bottom: 12px;
    width: fit-content;
    border: 1px solid rgba(224, 122, 74, 0.25);
}

.hero-main-title {
    font-size: clamp(52px, 8vw, 96px);
    font-weight: 900;
    color: var(--salmon);
    line-height: 1;
    letter-spacing: -2px;
    margin-bottom: 0;
}

.hero-devices {
    margin-top: 24px;
}

.devices-img {
    width: 320px;
    max-width: 100%;
    object-fit: contain;
    filter: drop-shadow(0 10px 30px rgba(0, 0, 0, 0.12));
}

/* Right column: doctors */
.hero-doctors-col {
    display: flex;
    align-items: flex-end;
    justify-content: center;
    z-index: 2;
}

.hero-doctors-img {
    width: 100%;
    max-width: 520px;
    object-fit: cover;
    object-position: top;
    height: 500px;
    border-radius: 0;
    mask-image: linear-gradient(to bottom, black 60%, transparent 100%);
    -webkit-mask-image: linear-gradient(to bottom, black 60%, transparent 100%);
}

/* Scroll down indicator */
.hero-scroll-down {
    position: absolute;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    z-index: 10;
}

.scroll-label {
    font-size: 19px;
    font-weight: 500;
    letter-spacing: 2px;
    color: #454545;
    white-space: nowrap;
}

.scroll-arrow {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    animation: bounce 2s infinite;
}

.scroll-arrow img {
    width: 100%;
    height: 100%;
}

@keyframes bounce {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(6px);
    }
}

/* ===== LIBRARY SECTION ===== */
.library-section {
    background: url('https://seryn.vn/wp-content/uploads/2026/03/Rectangle-1-copy.webp') no-repeat;
    background-size: 100% 100%;
    padding: 0;
    line-height: 0;
    position: relative;
    width: 100%;
}

.library-container {
    max-width: 1200px;
    margin: 0 auto;
    line-height: 0;

}

.library-section .library-item-title {
    font-size: 15px;
    font-weight: 600;
    color: #fff;
    padding-top: 4px;

}

.library-grid {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 50px;
    line-height: 0;
}

.library-item-social {
    display: flex;
    gap: 15px;
}

.library-item-social-link img {
    width: 24px;
    height: 24px;
}

.library-item {
    display: flex;
    align-items: center;
    gap: 15px;
}

.library-container {
    position: relative;
}

.library-container .library-btn {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: #F36764;
    padding: 5px 34px;
    border-radius: 30px;
    background-color: #fff;
    text-transform: uppercase;
    display: flex;
    align-items: center;
    line-height: 27px;
    font-weight: 600;
    animation: autoFloatBtn 1s ease infinite;
}

.library-container .library-btn:hover {
    transform: translate(-50%, -50%) scale(1.05);
}

.library-item img {
    width: 35px;
    height: 35px;
}

.library-item-title {
    font-size: 27px;
    font-weight: 600;
    color: #fff;
    text-transform: uppercase;
}

/* ===== PROBLEM SECTION ===== */
.problem-section {
    background: #fef6ee;
}

.problem-section .section-title {
    margin-top: 20px;
    font-size: 38px;
    font-weight: 600;
    text-transform: math-auto;
    text-align: center;
    margin: auto;
    color: #f47e6a;
    width: max-content;
    margin-top: 50px;
}

.problem-img {
    width: 100%;
}

/* ===== RESULTS SECTION ===== */
.results-section {
    background: #fffdfc;
}

.results-section .section-title {
    margin-top: 20px;
    font-size: 38px;
    font-weight: 600;
    text-transform: math-auto;
    text-align: center;
    margin: auto;
    color: #f47e6a;
    width: max-content;
    margin-top: 50px;
}

.results-img {
    width: 100%;
}


/* ===== TECH SECTION ===== */
.tech-section {
    background: url(https://seryn.vn/wp-content/uploads/2026/03/Section-04-1.webp) no-repeat;
    background-size: cover;
    opacity: 1;
    padding-top: 50px;
    background-position: center;
}

.testimonial-section {
    position: relative;
    width: 1020px;
    margin: auto;
}

.tech-swiper {
    max-width: 850px;
    padding: 30px 0;
}

.header-badge p {
    font-size: 16px;
}

.header-badge h3 {
    font-size: 23px;
    font-weight: 600;
}

.tech-section .header-badge {
    background: url(https://seryn.vn/wp-content/uploads/2026/03/Rectangle-2.webp) no-repeat center center / cover;
    width: fit-content;
    margin: 0 auto;
    padding: 20px 42px;
    text-align: center;
    color: white;
}

.tech-section .custom-nav {
    background-color: #ff5e3a !important;
    height: 40px !important;
    width: 40px !important;
    border-radius: 50%;
    color: white !important;
}

.tech-section .custom-nav::after {
    display: none;
}

.tech-section .custom-nav img {
    width: 100%;
    height: 100%;
}

.swiper-pagination-clickable .swiper-pagination-bullet {
    background: #ff5e3a !important;
    opacity: 0.5;
}

.tech-section .swiper-pagination-bullet-active {
    background: #ff5e3a !important;
    border-radius: 10px !important;
    opacity: 1;
}

.tech-section .swiper-pagination {
    bottom: 80px;
}

.tech-section .swiper-slide {
    transition: transform 0.3s;
    opacity: 0.4;
}

.tech-section .swiper-slide-active {
    opacity: 1;
}

.tech-section .image-wrapper img {
    width: 100%;
}

/* ===== PROCESS SECTION ===== */
.process-img {
    width: 100%;
}

.process-section {
    background: #fef9f2;
}

.process-section .section-title {
    font-size: 38px;
    font-weight: 600;
    text-transform: math-auto;
    text-align: center;
    margin: auto;
    color: #f47e6a;
    width: max-content;
    margin-top: 50px;
}

/* ===== TEAM SECTION ===== */
.team-section {
    background: var(--white);
}

.team-section .section-header {
    text-align: center;
    margin-bottom: 50px;
}

.team-section .section-header .header-badge {
    font-size: 38px;
    font-weight: 600;
    text-transform: math-auto;
    text-align: center;
    margin: auto;
    color: #f47e6a;
    width: max-content;
    margin-top: 50px;
}


.team-section.section-header .highlight {
    color: var(--primary-orange);
}

.team-section .solution-swiper {
    max-width: 1200px;
    margin: 0 auto;
}

.solution-swiper-container {
    position: relative;
    width: 1200px;
    max-width: 100%;
    margin: auto;
    padding: 0 90px;
}

.team-section .custom-nav {
    top: 30%;
}

.team-section .solution-card {
    background: var(--bg-color);
    border-radius: 20px;
    overflow: hidden;
    transition: transform 0.3s ease;
}


.team-section .image-wrapper img {
    width: 100%;
    height: auto;
    object-fit: cover;
    display: block;
}

.team-section .content-wrapper {
    padding: 0px 20px 0 20px;
    border-left: 2px solid #f56561;
    margin-top: 10px;
    width: calc(100% - 20px);
    margin-left: auto;
}

.team-section .content-wrapper h3 {
    font-size: 21px;
    margin-bottom: 10px;
    text-transform: uppercase;
    color: #f56561;
}

.team-section .content-wrapper p {
    color: #1f1f3e;
    font-size: 16px;
    line-height: 1.6;
    font-style: italic;

}


.team-section .custom-nav {
    color: var(--primary-orange) !important;
    width: 44px !important;
    height: 44px !important;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 50%;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.team-section .custom-nav:hover {
    background: rgba(255, 255, 255, 1);
}

.team-section .custom-nav::after {
    font-size: 20px !important;
}

.team-section .swiper-button-prev.custom-nav {
    left: 0px !important;
}

.team-section .swiper-button-next.custom-nav {
    right: 0px !important;
}

.team-section .custom-nav {
    background-color: #ff5e3a !important;
    height: 40px !important;
    width: 40px !important;
    border-radius: 50%;
    color: white !important;
}

.team-section .custom-nav::after {
    display: none;
}

.team-section .custom-nav img {
    width: 100%;
    height: 100%;
}

.bottom-badge p {
    font-size: 16px;
}

.bottom-badge h3 {
    font-size: 23px;
    font-weight: 600;
    text-transform: uppercase;
}

.bottom-badge {
    background: url(https://seryn.vn/wp-content/uploads/2026/03/Rectangle-2.webp) no-repeat;
    width: fit-content;
    margin: 0 auto;
    padding: 25px 48px;
    text-align: center;
    color: white;
    background-size: 100% 100%;
    margin-top: 20px;
}



/* ===== TESTIMONIALS ===== */
.testimonials-img {
    width: 100%;
}

.testimonials-section {
    background: #fffdfc;
    position: relative;
}

.testimonials-title {
    font-size: 38px;
    font-weight: 600;
    text-transform: math-auto;
    margin-bottom: 20px;
    text-align: center;
    margin: auto;
    position: absolute;
    top: 50px;
    left: 50%;
    transform: translateX(-50%);
    color: #f47e6a;
    width: max-content;
}

.seryn-section {
    text-align: center;
    padding: 50px 20px;
    background-color: #fff;
}

.seryn-section-header .main-title {

    font-size: 38px;
    font-weight: 600;
    text-transform: math-auto;
    margin-bottom: 20px;
    text-align: center;
    margin: auto;
    color: #f47e6a;
    width: max-content;
}

.seryn-section-header .sub-title {
    font-size: 16px;
    font-weight: 500;
    color: #1f1f3e;
    font-style: italic;
    margin-top: 10px;
}


.seryn-section .banner-container {
    display: flex;
    justify-content: center;
    gap: 100px;
    flex-wrap: nowrap;
    margin-top: 40px;
}

.seryn-section .banner-box {
    position: relative;
    width: 450px;
    overflow: hidden;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.seryn-section .image-wrapper img {
    width: 100%;
    display: block;
    transition: transform 0.5s ease;
}

.seryn-section .content-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 50px 60px 40px 60px;
    box-sizing: border-box;
    text-align: center;
    transition: max-height 0.5s ease-in-out;
    max-height: 200px;
}

.seryn-section .banner-box.active .content-overlay {
    max-height: 100%;
}

.seryn-section .toggle-btn img {
    width: 100%;
}

.seryn-section .toggle-btn {
    background: none;
    border: none;
    cursor: pointer;
    transition: transform 0.3s;
    margin-bottom: 25px;
    width: 31px;
    height: 12px;
}

.seryn-section .banner-box.active .arrow {
    display: inline-block;
    transform: rotate(180deg);
}

.seryn-section .box-title img {
    max-width: 100%;
}

.seryn-section .details-content {
    opacity: 0;
    text-align: left;
    transition: opacity 0.4s;
    font-size: 14px;
    line-height: 1.6;
    margin-top: 15px;
}

.seryn-section .details-content p {
    color: #1f274b;
    font-size: 15px;
    line-height: 1.3;
}

.seryn-section .details-content p br {
    display: none;
}

.seryn-section .details-content p strong {
    display: block;
    font-weight: 600;
    margin-top: 5px;
    font-size: 18px;
}

.seryn-section .banner-box.active .toggle-btn {
    display: none;
}

.seryn-section .banner-box.active .details-content {
    opacity: 1;
}


.doctor-section {
    width: 100%;
    background: #fffdfc;
    display: flex;
    justify-content: center;
    padding: 0;
}

.doctor-container {
    align-items: center;
    max-width: 1200px;
    width: 100%;

}

.doctor-content {
    flex: 1;
    padding: 50px;
    text-align: left;
    max-width: 460px;
    min-height: 100%;
    align-items: center;
    display: flex;
    flex-direction: column;
    justify-content: center;
    margin-left: auto;
}

.doctor-title {

    margin-bottom: 20px;
    max-width: 100%;
    font-size: 38px;
    font-weight: 600;
    text-transform: math-auto;
    text-align: center;
    color: #f47e6a;
    width: max-content;

}



.doctor-description {
    font-size: 16px;
    margin-bottom: 30px;
    max-width: 100%;
    width: 100%;
    text-align: justify;
    line-height: 1.5;
    font-style: italic;
}

.doctor-btn {
    display: inline-block;

    font-weight: bold;
    font-size: 13px;
    border-radius: 50px;
    max-width: 100%;
}

.doctor-btn img {
    max-width: 100%;
}

.doctor-image {
    flex: 1.2;
    line-height: 0;
}

.doctor-image img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
}




/* product sectiom */
.product-section {
    background: url('https://seryn.vn/wp-content/uploads/2026/03/Vector-Smart-Object.webp') no-repeat;
    padding: 80px 0 0;
    overflow: hidden;
    background-size: 100% 100%;
    background-position: center;
}

.product-section .title-area {
    text-align: center;
    margin-bottom: 50px;
    padding: 0 40px;
    max-width: 700px;
    margin: auto;
}

.product-section .product-swiper {
    width: 100%;
}

.product-section .swiper-slide {
    background-position: center;
    background-size: cover;
    width: 300px;
    display: flex;
    flex-direction: column;
    align-items: center;
    transition: all 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    filter: blur(3px);
    transform: scale(0.58) !important;
}


.product-section .swiper-slide-active {
    filter: blur(0);
    opacity: 1;
    transform: scale(1.42) !important;
    z-index: 2;
}

.product-section .swiper-slide img {
    width: 100%;
    height: auto;
}

.product-section .detail-box {
    position: absolute;
    top: 110%;
    width: 450px;
    background: #fff;
    padding: 20px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    opacity: 0;
    visibility: hidden;
    transition: 0.3s;
    text-align: left;
}

.product-section .swiper-slide-active .detail-box {
    opacity: 1;
    visibility: visible;
}

.prod-nav-next,
.prod-nav-prev {
    position: absolute;
    top: 38%;
    transform: translateY(-50%);
    z-index: 10;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: #fff;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s, transform 0.2s;
}

.prod-nav-next {
    right: -100px;
    width: 40px;
    height: 40px;
}

.prod-nav-prev {
    left: -100px;
    width: 40px;
    height: 40px;
}

.prod-nav-prev img,
.prod-nav-next img {
    width: 100%;
    height: 100%;

}

.prod-nav-next:hover,
.prod-nav-prev:hover {
    background: #ee7c71;
}


.prod-nav-next:hover::after,
.prod-nav-prev:hover::after {
    color: #fff;
}

.prod-pagination {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 6px;
    z-index: 10;
}

.prod-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #ee7c71;
    opacity: 0.35;
    transition: all 0.3s ease;
    cursor: pointer;
}

.prod-dot.active {
    opacity: 1;
}

.product-section .swiper-slide .product-img-active {
    display: none;
}

.product-section .swiper-slide.swiper-slide-active .product-img-demo {
    display: none;
}

.product-section .swiper-slide.swiper-slide-active .product-img-active {
    display: block;
}

.product-container {
    width: 1000px;
    max-width: 100%;
    margin: auto;
    position: relative;
    padding: 0 20px;
    margin-top: 50px;
}

.product-section .swiper-slide {
    padding-top: 18px;
}

.product-section .swiper-slide {
    height: 600px;
}

.product-section .swiper-slide img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.product-container::before {
    content: '';
    position: absolute;
    top: -20px;
    left: 0;
    width: 100%;
    height: 500px;
    background: url(https://seryn.vn/wp-content/uploads/2026/03/Khung.webp) no-repeat;
    background-size: 100% 100%;
    background-position: top center;

}

.product-section .gradient-text {
    font-size: 38px;
    font-weight: 600;
    text-transform: math-auto;
    text-align: center;
    margin: auto;
    color: #f47e6a;
    width: max-content;
    margin-top: 30px;
}

.title-area .main-title-img {
    max-width: 500px;
}

.title-area .sub-title {
    font-size: 16px;
    font-weight: 400;
    color: #1f274b;
    font-style: italic;
    margin-top: 10px;
}

/* ===== SPACE SECTION ===== */
.space-section {
    background: url(https://seryn.vn/wp-content/uploads/2026/03/Rectangle-11.png) no-repeat;
    padding: 64px 0 48px;
    background-size: 100% 100%;
    background-position: center;
}

.space-header {
    text-align: center;
    margin-bottom: 40px;
    max-width: 600px;
    margin: auto;
}

.space-title {
    font-size: 38px;
    font-weight: 600;
    text-transform: math-auto;
    text-align: center;
    margin: auto;
    color: #f47e6a;
    width: max-content;
    margin-top: 30px;

}




.space-desc {
    font-size: 15px;
    color: #1f274b;
    line-height: 1.7;
    font-style: italic;
}

.space-slider-wrap {
    position: relative;
    padding: 0 70px;
    max-width: 1280px;
    margin: 0 auto;
}

.space-swiper {
    overflow: hidden;
}

.space-card {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.space-card img {
    width: calc(100% + 62px);

}


.space-card p {
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 1px;
    color: #5a4a3a;
    text-align: center;
    line-height: 1.5;
}

/* Nav buttons for space section */
.space-nav-prev,
.space-nav-next {
    position: absolute;
    top: 40%;
    transform: translateY(-50%);
    z-index: 10;
    width: 40px;
    height: 40px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.2s ease;
}

.space-nav-prev {
    left: 10px;
}

.space-nav-next {
    right: 10px;
}

.space-nav-prev img,
.space-nav-next img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.space-nav-prev:hover,
.space-nav-next:hover {
    transform: translateY(-50%) scale(1.15);
}

/* ===== PRESS SECTION ===== */
.press-section {
    background: #fff;
    padding: 30px 0 36px;
}

.press-title {
    font-size: 38px;
    font-weight: 600;
    text-align: center;
    margin: auto;
    width: max-content;
    margin-bottom: 20px;
    color: #f47e6a;
}



.press-logos {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: nowrap;
    gap: 24px 36px;
    min-width: 1280px;
}

.press-logos-group {
    width: 100%;
    overflow-x: auto;
    scrollbar-width: none;
    padding: 0 10px;
    border-right: 10px solid #ffffff;
    border-left: 10px solid #ffffff;
}

.press-logo-item {
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0.8;
    transition: opacity 0.25s ease, transform 0.25s ease;
}

.press-logo-item:hover {
    opacity: 1;
    transform: translateY(-2px);
}

.press-logo-item img {
    height: 45px;
    width: auto;
    object-fit: contain;
}


/* ===== FOOTER ===== */
.site-footer {
    background: url('https://seryn.vn/wp-content/uploads/2026/03/Rectangle-2-1.webp') no-repeat;
    background-size: 100% 100%;
    padding: 48px 0 0px;
    opacity: 1 !important;
    transform: none !important;
}

.footer-inner {
    width: 1200px;
    max-width: 100%;
    padding: 0 10px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.4fr 1.2fr 1.4fr 1fr;
    gap: 20px;
    align-items: start;
}

.footer-col {
    border-left: 1px solid #1d1610;
    padding-left: 20px;
    height: 100%;
}

.footer-col:first-child {
    border-left: none;
    padding-left: 0;
}

/* Col 1 */
.footer-logo-img {
    width: 100%;
    margin-bottom: 12px;
    display: block;
}

.footer-tagline {
    font-size: 14px;
    color: #383633;
    line-height: 1.7;
    margin-bottom: 10px;
    font-style: italic;
    text-align: center;
}

.footer-badges {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 12px;
}

.footer-badge-bct {
    width: 260px;
    height: auto;
}

.footer-badge-dmca {
    width: 170px;
    height: auto;
}

.footer-badge-link.badge-bct {
    width: fit-content;
    margin-left: auto;
}

.footer-badge-link.badge-dmca {
    width: fit-content;
    margin-left: auto;
    margin-top: -20px;
}

.footer-credit {
    font-size: 14px;
    color: #e97075;
    margin-top: 5px;
    text-align: right;
    font-weight: 500;
}

/* Col 2 */
.footer-col-title {
    font-size: 15px;
    font-weight: 800;
    color: #1b234c;
    letter-spacing: 0.5px;
    margin-bottom: 0;
    line-height: 1.2;
}

.footer-col-title span {
    font-weight: 500;
    color: #1b234c;
}

.footer-address p,
.footer-company-info li {
    font-size: 14px;
    color: #1b234c;
    margin-bottom: 10px;
    line-height: 1.5;
}

.footer-hours {
    color: #1b234c !important;
}

.footer-hotline {
    display: inline-block;
    font-size: 16px;
    font-weight: 800;
    color: #f47e6a;
    letter-spacing: 0.5px;
    margin: 8px 0 14px;
    text-decoration: none;
    transition: color 0.2s;
    font-weight: 600;
}



.footer-socials {
    display: flex;
    gap: 20px;
    margin-top: 4px;
}

.footer-social-link img {
    width: 40px;
    height: 40px;
    object-fit: contain;
}

.footer-social-link:hover img {
    opacity: 1;
    transform: translateY(-2px);
}

/* Col 3 */
.footer-company-info {
    list-style: none;
    padding: 0;
}

.footer-company-info li {
    padding-left: 12px;
    position: relative;
    margin-bottom: 10px;
    text-align: justify;
}

.footer-company-info li::before {
    content: '–';
    position: absolute;
    left: 0;
    color: #1b234c;
}

/* Col 4 */
.footer-links-list {
    list-style: none;
    padding: 0;
}



.footer-links-list a {
    font-size: 13px;
    color: #1b234c;
    line-height: 1.5;
    text-decoration: underline;
}

.footer-links-list a:hover {
    color: #e8735a;
}


.section-13 {
    display: flex;
    flex-wrap: nowrap;
}

.section-13 .Form-center {
    background: #fef9f4;
    padding: 30px 10px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.section-13 .form-title {
    max-width: 450px;
}

.section-13 .form-sub {
    max-width: 450px;
    text-align: center;
    color: #1d2241;
    font-style: italic;
    font-weight: 300;
    font-size: 14px;
}

.section-13 .wpcf7-form {
    background: url(https://seryn.vn/wp-content/uploads/2026/03/Box-thong-tin.webp) no-repeat;
    background-size: 100% 100%;
    padding: 60px;
    display: inline-flex;
    flex-direction: column;
    gap: 20px;
    align-items: center;
}

.section-13 .wpcf7-form input {
    font-size: 15px;
    font-family: 'Averta', sans-serif;
    padding: 5px 10px;
    color: #1d2241;
    background: #ffffff;
}

.section-13 .wpcf7-form .wpcf7-spinner {
    display: none;
}

.section-13 .wpcf7-form input::placeholder {
    color: #d8d8d8;
    font-weight: 400;
}

.section-13 .wpcf7-form .wpcf7-submit {
    border-radius: 30px;
    padding: 5px 20px;
    font-weight: 500;
    color: #f56565;
    font-weight: 600;
    animation: autoFloat2 1s ease-in-out infinite;

}

.cta {
    animation: autoFloat2 1s ease-in-out infinite;
}

.section-13 .wpcf7-form .wpcf7-submit:hover {
    animation: autoFloat2 1s ease-in-out infinite;
    transition: all 0.3s ease;
}

.cta:hover {
    animation: autoFloat2 1s ease-in-out infinite;
    transition: all 0.3s ease;
}

.section-13 .banner-left,
.section-13 .banner-right {
    height: auto;
}

.section-13 .banner-left img,
.section-13 .banner-right img {
    height: 100%;
    object-fit: cover;
}

.footer-mb {
    display: none !important;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .footer-pc {
        display: none !important;
    }

    .footer-mb {
        display: flex !important;
    }

    .container {
        width: 100%;
    }

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

    .tech-grid {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
    }

    .testimonial-section {
        width: 100%;
    }

    .team-section .section-header .header-badge {
        max-width: calc(100% - 60px);
    }

    .solution-swiper-container {
        width: 100%;
        padding: 20px;
    }

    .team-section .custom-nav {
        width: 30px !important;
        height: 30px !important;
        top: 50%;
    }

    .seryn-section .banner-container {
        gap: 60px;
    }

    .seryn-section .content-overlay {
        padding: 50px 30px 20px 30px;
    }

    .seryn-section .details-content p {
        font-size: 13px;
    }

    .seryn-section .details-content p strong {
        font-size: 15px;
    }

    .doctor-section {
        flex-direction: column-reverse;
        position: relative;
        padding-top: 100px;
    }

    .doctor-title {
        margin-bottom: 20px;
        max-width: 100%;
        position: absolute;
        top: 20px;
        left: 50%;
        transform: translate(-50%);
        height: auto;
        width: 350px;
    }

    .doctor-title img {
        max-width: 100%;
        height: 100%;
    }


    .doctor-btn img {
        max-width: 100%;
        height: 100%;
    }

    .doctor-image-mb {
        display: block;
    }

    .doctor-content {
        flex: 1;
        padding: 30px 100px;
        text-align: center;
        max-width: 100%;
        min-height: 100%;
        align-items: center;
        display: flex;
        flex-direction: column;
        justify-content: center;
        background: #fef6ed;
    }

    .doctor-description {
        text-align: center;
    }

    .doctor-btn {
        width: 440px;
    }

    .product-section .gradient-text {
        width: 400px;
        margin: auto;
    }

    .product-container {
        max-width: calc(100% - 100px);
    }

    .prod-nav-prev {
        left: -32px;

    }

    .prod-nav-next {
        right: -32px;

    }

    .space-header {
        max-width: 500px;
    }

    .space-header .space-desc br {
        display: none;

    }

    .footer-inner {
        flex-direction: column;
        display: flex;
        padding: 0 40px;
    }

    .footer-brand {
        margin: auto;
    }

    .footer-col {
        width: 100%;
    }

    .footer-col {
        border-left: unset;
    }

    .footer-col-title {
        font-size: 18px;
    }

    .footer-hotline-mb {
        display: flex;
        gap: 60px;
        align-items: center;
    }

    .footer-hotline {
        font-size: 20px;
    }

    .footer-tagline {
        font-size: 19px;
    }

    .footer-social-link img {
        width: 50px;
        height: 50px;
        object-fit: contain;
    }

    .footer-socials {
        gap: 30px;
    }

    .footer-badge-bct {
        width: 212px;
        height: auto;
    }

    .footer-logo {
        width: 400px;
        display: block;
        margin: auto;
    }

    .footer-links-list a {
        font-size: 18px;
    }

    .footer-col {
        padding-left: 0;
    }

    .footer-address p,
    .footer-company-info li {
        font-size: 16px;
    }

    .footer-badges {
        margin-bottom: 0;
    }

    .footer-col.footer-links-col {
        display: flex;
        align-items: center;
        gap: 30px;
    }

    .footer-links-col-right {
        text-align: right;
    }

    .section-13 .banner-right {
        display: none;
    }

    .section-13 .form-title {
        display: none;
    }

    .section-13 .form-sub {
        display: none;
    }

    .section-13 {
        flex-direction: column;
    }

    .section-13 .Form-center {
        padding: 0;
        margin-top: -10px;
    }

    .form-content {
        margin-top: -30px;
        width: calc(100% - 40px);
    }

    .section-13 .wpcf7-form input {
        padding: 8px 10px;
        width: 100%;
    }

    .section-13 .wpcf7-form {
        width: 100%;
    }

    .section-13 .wpcf7-form label {
        width: 100%;
    }

    .section-13 .wpcf7-form .wpcf7-submit {
        padding: 10px 20px;
    }
}

@media (max-width: 768px) {
    .nav-logo-img {
        width: 150px;
    }

    .nav-logo {
        display: inline-block;
        position: absolute;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
    }

    .nav-menu-btn {
        width: 60px;
        height: 12px;
    }

    .navbar.scrolled {
        height: 60px;
    }

    .nav-inner {
        padding: 10px 20px;
        height: 60px;
        align-items: center;
        position: relative;
    }

    .process-section .container {
        padding: 0 !important;
    }

    .scroll-label {
        font-size: 12px;
    }

    .library-container .library-btn {
        font-weight: 700;
    }

    .header-doctors-img {
        width: 180px;
        height: 120px;
    }

    .logo-main {
        font-size: 26px;
    }

    .hero-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .library-item img {
        width: 26px;
        height: 26px;
    }

    .library-section .library-item-title {
        font-size: 12px;
    }

    .library-container .library-btn {
        padding: 2px 20px;
        line-height: 24px;
        font-size: 12px;
    }

    .tech-section {
        padding-top: 20px;
    }

    .tech-section .header-badge {
        padding: 18px 44px;
    }

    .tech-swiper {
        padding: 10px 0;
        max-width: calc(100% - 40px);
    }

    .tech-section .custom-nav {
        height: 30px !important;
        width: 30px !important;
        top: 60%;
    }

    .tech-section .swiper-pagination {
        bottom: 10px;
    }

    .header-badge h3 {
        font-size: 15px;
        font-weight: 600;
    }

    .header-badge p {
        font-size: 10px;
    }

    .hero-image img {
        height: 360px;
    }

    .hero-badge {
        display: none;
    }

    .problem-grid {
        grid-template-columns: 1fr 1fr;
    }

    .team-section .section-header .header-badge {
        margin-top: 20px;
        font-size: 38px;
        max-width: 100%;
    }

    .team-section .section-header {
        margin-bottom: 0px;
    }

    .team-section .content-wrapper {
        padding: 0px;
        border-left: unset;
        margin-top: 10px;
        width: calc(100% - 20px);
    }

    .team-section .content-wrapper h3 {
        font-size: 18px;
        margin-bottom: 6px;
    }

    .team-section .content-wrapper p {
        font-size: 13px;
        line-height: 1.4;
        font-style: italic;
    }

    .team-section .custom-nav {
        width: 30px !important;
        height: 30px !important;
        top: 50%;
    }

    .bottom-badge h3 {
        font-size: 16px;
    }

    .bottom-badge {
        margin-top: 0;
        padding: 14px 36px;
    }

    .bottom-badge p {
        font-size: 10px;
    }

    .results-grid {
        grid-template-columns: 1fr;
    }

    .team-grid {
        grid-template-columns: 1fr;
    }

    .testimonials-grid {
        grid-template-columns: 1fr;
    }

    .testimonials-title {
        font-size: 38px;
        top: 26px;
    }

    .packages-grid {
        grid-template-columns: 1fr;
    }

    .package-card.popular {
        transform: none;
    }

    .contact-grid {
        grid-template-columns: 1fr;
    }

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

    .footer-bottom {
        flex-direction: column;
        gap: 8px;
        text-align: center;
    }

    .process-steps {
        gap: 12px;
    }

    .step-arrow {
        display: none;
    }

    .hero-stats {
        flex-wrap: wrap;
        gap: 16px;
    }

    .team-stats {
        flex-direction: column;
    }

    .seryn-section-header .main-title .main-title-img {
        max-width: calc(100% - 40px);
    }

    .seryn-section-header .sub-title {
        font-size: 14px;
    }

    .seryn-section .banner-container {
        gap: 30px;
        flex-wrap: nowrap;
    }

    .seryn-section .content-overlay {
        padding: 10px 10px 10px 10px;
    }

    .seryn-section .content-overlay .box-title {
        max-width: 100%;
    }

    .seryn-section .content-overlay .box-title img {
        width: 100%;
    }

    .seryn-section .toggle-btn {
        margin-bottom: 20px;
        width: 20px;
        height: 10px;
    }

    .seryn-section .details-content p strong {
        font-size: 10px;
        margin-top: 0;
    }

    .seryn-section .details-content p {
        font-size: 9px;
    }

    .seryn-section .content-overlay {
        max-height: 100px;
    }

    .seryn-section .content-overlay .box-title {
        max-width: calc(100% - 20px);
        margin: auto;
    }

    .seryn-section .details-content {
        margin-top: 8px;
    }

    .doctor-content {
        padding: 30px 50px;
    }

    .doctor-description {
        font-size: 14px;
    }

    .doctor-title {
        width: 300px;
    }

    .doctor-section {
        padding-top: 86px;
    }

    .doctor-btn {
        width: 320px;
    }

    .doctor-description {
        margin-bottom: 20px;
    }

    .product-container {
        max-width: calc(100% - 80px);
    }



    .prod-nav-prev {
        left: -28px;
        width: 30px;
        height: 30px;
    }

    .prod-nav-next {
        right: -28px;
        width: 30px;
        height: 30px;
    }

    .product-section .swiper-slide img {
        width: 82%;
        height: 100%;
        object-fit: contain;
    }

    .product-container::before {
        height: 330px;
        top: 0;
        left: 0;
        width: 100%;
        height: 287px;
    }

    .product-section .gradient-text {
        width: 330px;
        margin: auto;
        max-width: calc(100% - 40px);
    }

    .product-section {
        padding: 20px 0 0 0;
    }

    .title-area .sub-title {
        font-size: 13px;
    }

    .product-section .title-area {
        margin-bottom: 30px;
    }

    .product-container {
        margin-top: 0;
    }

    .product-container {
        padding-bottom: 50px;
    }

    .prod-pagination {
        bottom: 0;
    }

    .space-header .space-title {
        width: 340px;
        margin: auto;
    }

    .space-header .space-desc br {
        display: none;
    }

    .space-header {
        width: calc(100% - 40px);
        margin: auto;
    }

    .space-section {
        padding: 30px 0 30px;
    }

    .space-nav-prev,
    .space-nav-next {
        width: 30px;
        height: 30px;
    }

    .space-slider-wrap {
        padding: 0px 10px;
    }

    .space-header .space-desc br {
        font-size: 14px;
    }



    .footer-logo {
        width: 320px;
    }

    .footer-tagline {
        font-size: 15px;
        line-height: 1.5;
    }

    .footer-hotline {
        font-size: 16px;
    }

    .footer-hotline-mb {
        gap: 10px;
        justify-content: space-between;
    }

    .footer-badge-bct {
        width: 170px;
        height: auto;
    }

    .footer-address p,
    .footer-company-info li {
        font-size: 12px;
    }

    .footer-col-title {
        font-size: 14px;
    }

    .footer-col-title {
        font-size: 12px;
        font-weight: 600;
    }

    .footer-col-title span {
        font-size: 12px;
        font-weight: 400;
    }

    .footer-social-link img {
        width: 40px;
        height: 40px;
    }

    .footer-socials {
        gap: 20px;
    }

    .footer-inner {
        padding: 0 30px;
    }

    .footer-links-list a {
        font-size: 13px;
    }

    .results-section .section-title {
        font-size: 38px;
        margin-top: 40px;
    }

    .results-section .container,
    .testimonials-section .container {
        padding: 0 !important;
    }

    .process-section .section-title {
        font-size: 38px;
        margin-top: 36px;
    }

    .process-section {
        background: #fffdfc;
    }

    .product-section .gradient-text {
        width: 100%;
        margin: auto;
        max-width: 100%;
        font-size: 38px;
    }

    .space-header .space-title {
        width: 100%;
        font-size: 38px;
    }

    .press-title {
        font-size: 38px;
    }
}

@media (max-width: 576px) {
    .product-section .swiper-slide {
        height: 500px;
    }

    .testimonials-title {
        top: 9px;
        font-size: 30px;
    }
}

@media (max-width: 480px) {
    .testimonials-title {
        font-size: 28px;
        top: 12px;
    }

    .product-container::before {
        height: 226px;
    }

    .product-section .swiper-slide {
        height: 350px;
    }

    .container {
        padding: 0 16px;
    }

    .header-inner {
        padding: 20px 16px;
    }

    .seryn-section-header .main-title {
        font-size: 32px;
    }

    .problem-grid {
        grid-template-columns: 1fr;
    }

    .partners-logos {
        gap: 12px;
    }

    .partner-logo {
        padding: 10px 18px;
        font-size: 14px;
    }

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

    .contact-form-wrap {
        padding: 28px 20px;
    }

    .problem-section .section-title {
        margin-top: 30px;
        font-size: 32px;
    }

    .results-section .section-title {
        font-size: 32px;
        margin-top: 30px;
    }

    .process-section .section-title {
        font-size: 30px;
        margin-top: 36px;
    }

    .team-section .section-header .header-badge {
        font-size: 29px;
    }

    .seryn-section-header .main-title {
        font-size: 29px;
    }

    .product-section .gradient-text {
        font-size: 32px;
    }

    .space-header .space-title {
        font-size: 32px;
    }
}


.social {
    bottom: 11rem;
    right: 2rem;
}

.social li {
    margin-bottom: 20px;
}

.social a {
    width: 60px;
    height: 60px;
}

.back__to__top {
    bottom: 6rem;
    right: 2.7rem;
}

.back__to__top.active {
    visibility: visible;
    -webkit-transform: translateX(0);
    transform: translateX(0);
    opacity: 1;
}

.xpop-form {
    padding-left: 0 !important;
    position: absolute !important;
    bottom: 0 !important;
    left: 0 !important;
    padding: 0 20px !important;
}

@media (max-width: 768px) {
    .social a {
        width: 40px;
        height: 40px;
    }

    .back__to__top {
        width: 40px;
        height: 40px;
    }

    .social {
        bottom: 11rem;
    }

    .back__to__top {
        bottom: 7rem;
        right: 2rem;
    }

    #messenger-button a {
        width: 40px !important;
        height: 40px !important;
    }

    #messenger-button {
        bottom: 28rem !important;
        right: 2rem !important;
    }
}

/* ===== EXTERNAL FLOATING WIDGET (icons từ GTM/external script) ===== */
.icon-lich,
.icon-user,
.mona-icon-phone,
.mona-icon-gif {
    display: none !important;
}

.mt-15 {
    margin-top: 15px;
}