/* =====================================================
   FRAMEX WEBSITE - MINIMALIST STYLESHEET
   Định hình không gian sống tương lai
   ===================================================== */

/* === CSS VARIABLES === */
:root {
    /* Brand Colors */
    --fx-orange: #FF6B35;
    --fx-steel: #343A40;
    --fx-grey: #6C757D;
    --fx-white: #FFFFFF;
    --fx-light: #F8F9FA;
    
    /* Typography */
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Open Sans', sans-serif;
    
    /* Font Sizes (3 sizes only - minimalist) */
    --fs-large: 2.5rem;      /* Hero, main headings */
    --fs-medium: 1.5rem;     /* Section headings */
    --fs-normal: 1rem;       /* Body text */
    
    /* Spacing */
    --spacing-xs: 1rem;
    --spacing-sm: 2rem;
    --spacing-md: 4rem;
    --spacing-lg: 6rem;
    --spacing-xl: 8rem;
    
    /* Layout */
    --max-width: 1200px;
    --header-height: 4rem;
    
    /* Transitions */
    --transition: all 0.3s ease;
}

/* Mobile Typography Adjustments */
@media screen and (max-width: 768px) {
    :root {
        --fs-large: 2rem;
        --fs-medium: 1.25rem;
        --fs-normal: 0.95rem;
    }
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    font-size: var(--fs-normal);
    font-weight: 400;
    line-height: 1.7;
    color: var(--fx-steel);
    background-color: var(--fx-white);
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.3;
    color: var(--fx-steel);
}

h1 { font-size: var(--fs-large); }
h2 { font-size: var(--fs-medium); }
h3 { font-size: var(--fs-normal); font-weight: 600; }

p {
    margin-bottom: 1rem;
    color: var(--fx-grey);
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

ul {
    list-style: none;
}

button {
    font-family: inherit;
    border: none;
    cursor: pointer;
    transition: var(--transition);
}

/* === UTILITY CLASSES === */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-xs);
}

.section {
    padding: var(--spacing-lg) 0;
}

.section__title {
    font-size: var(--fs-medium);
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--spacing-xs);
    color: var(--fx-steel);
}

.section__subtitle {
    text-align: center;
    color: var(--fx-grey);
    max-width: 700px;
    margin: 0 auto var(--spacing-md);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    font-family: var(--font-heading);
    font-size: var(--fs-normal);
    font-weight: 600;
    border-radius: 4px;
    transition: var(--transition);
    text-align: center;
    border: 2px solid transparent;
}

.btn--primary {
    background-color: var(--fx-orange);
    color: var(--fx-white);
}

.btn--primary:hover {
    background-color: #e55a28;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(255, 107, 53, 0.3);
}

.btn--secondary {
    background-color: transparent;
    color: var(--fx-steel);
    border: 2px solid var(--fx-steel);
}

.btn--secondary:hover {
    background-color: var(--fx-steel);
    color: var(--fx-white);
}

/* === HEADER & NAVIGATION === */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: var(--fx-white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    z-index: 1000;
    transition: var(--transition);
}

.nav {
    height: var(--header-height);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav__logo-img {
    height: 32px;
    width: auto;
}

.nav__list {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav__link {
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--fx-steel);
    position: relative;
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--fx-orange);
    transition: var(--transition);
}

.nav__link:hover::after,
.nav__link.active::after {
    width: 100%;
}

.nav__link.active {
    color: var(--fx-orange);
}

.nav__link--active {
    color: var(--fx-orange) !important;
}

.nav__link--cta {
    background-color: var(--fx-orange);
    color: var(--fx-white);
    padding: 0.5rem 1.5rem;
    border-radius: 4px;
}

.nav__link--cta:hover {
    background-color: #e55a28;
}

.nav__link--cta::after {
    display: none;
}

/* Language Switcher - Dropdown */
.nav__lang-switcher {
    position: relative;
}

.lang-dropdown {
    position: relative;
}

.lang-dropdown__button {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: transparent;
    border: 1px solid var(--fx-grey);
    padding: 0.5rem 1rem;
    border-radius: 4px;
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--fx-steel);
    cursor: pointer;
    transition: var(--transition);
}

.lang-dropdown__button:hover {
    border-color: var(--fx-orange);
    color: var(--fx-orange);
}

.lang-dropdown__arrow {
    width: 16px;
    height: 16px;
    transition: transform 0.3s ease;
}

.lang-dropdown.active .lang-dropdown__arrow {
    transform: rotate(180deg);
}

.lang-dropdown__menu {
    position: absolute;
    top: calc(100% + 0.5rem);
    right: 0;
    min-width: 80px;
    background: var(--fx-white);
    border: 1px solid var(--fx-grey);
    border-radius: 4px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    z-index: 1000;
}

.lang-dropdown.active .lang-dropdown__menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.lang-dropdown__item {
    display: block;
    padding: 0.6rem 1rem;
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--fx-steel);
    text-decoration: none;
    text-align: center;
    transition: var(--transition);
}

.lang-dropdown__item:hover {
    background: var(--fx-light);
    color: var(--fx-orange);
}

.lang-dropdown__item--active {
    background: var(--fx-light);
    color: var(--fx-orange);
    font-weight: 600;
}

.nav__toggle,
.nav__close {
    display: none;
    cursor: pointer;
    color: var(--fx-steel);
}

/* Mobile Navigation */
@media screen and (max-width: 968px) {
    .nav__menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        height: 100vh;
        background-color: var(--fx-white);
        padding: var(--spacing-md) var(--spacing-sm);
        box-shadow: -2px 0 10px rgba(0, 0, 0, 0.1);
        transition: var(--transition);
    }
    
    .nav__menu.show-menu {
        right: 0;
    }
    
    .nav__list {
        flex-direction: column;
        align-items: flex-start;
        gap: 1.5rem;
    }
    
    .nav__close,
    .nav__toggle {
        display: block;
    }
    
    .nav__close {
        position: absolute;
        top: 1rem;
        right: 1rem;
        font-size: 1.5rem;
    }
    
    /* Language Dropdown Mobile */
    .lang-dropdown__button {
        width: 100%;
        justify-content: space-between;
    }
    
    .lang-dropdown__menu {
        position: static;
        width: 100%;
        margin-top: 0.5rem;
        box-shadow: none;
        border: none;
        border-top: 1px solid var(--fx-light);
    }
    
    .lang-dropdown.active .lang-dropdown__menu {
        transform: none;
    }
}

/* === MAIN CONTENT === */
.main {
    margin-top: var(--header-height);
}

/* === HERO SECTION === */
/* ========== HERO TOP: Background Image ========== */
.hero-top {
    min-height: 100vh;
    position: relative;
    display: flex;
    align-items: center;
}

.hero-top .container {
    width: 100%;
    margin: 0;  /* Override the default centering */
    padding: 0 var(--spacing-xs);  /* Keep horizontal padding */
}

.hero-top__bg {
    position: absolute;
    inset: 0;
    z-index: 1;
}

.hero-top__bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-top__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        90deg,
        rgba(52, 58, 64, 0.8) 0%,
        rgba(52, 58, 64, 0.5) 50%,
        rgba(52, 58, 64, 0.3) 100%
    );
    z-index: 2;
}

.hero-top__content {
    position: relative;
    z-index: 3;
    display: flex;
    justify-content: flex-start;
}

.hero-top__box {
    background: rgba(255, 255, 255, 0.98);
    max-width: 600px;
    padding: 3rem;
    border-radius: 16px;
    box-shadow: 0 30px 80px rgba(0,0,0,0.3);
    margin-left: 4rem;  /* Cách lề trái ra 4rem */
}

.hero-top__eyebrow {
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--fx-grey);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 1rem;
}

.hero-top__title {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 800;
    color: var(--fx-steel);
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

.hero-top__title span {
    color: var(--fx-orange);
}

.hero-top__text {
    font-size: 1.1rem;
    color: var(--fx-grey);
    line-height: 1.7;
    margin-bottom: 2rem;
}

.hero-top__buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

/* ========== HERO BOTTOM: Detailed Content ========== */
.hero-bottom {
    background: linear-gradient(135deg, var(--fx-light) 0%, var(--fx-white) 100%);
    padding: var(--spacing-md) 0;  /* Giảm từ 4rem xuống 2rem */
}

.hero__features {
    display: flex;
    justify-content: center;
    gap: 2.5rem;
    flex-wrap: wrap;
    margin-bottom: 3rem;
    padding-top: 0;  /* Xóa padding-top thừa */
}

.hero__feature {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1rem;
    color: var(--fx-steel);
    font-weight: 600;
    padding: 0.75rem 1.5rem;
    background: var(--fx-white);
    border-radius: 50px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    transition: var(--transition);
}

.hero__feature:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.hero__feature svg {
    width: 22px;
    height: 22px;
    stroke: var(--fx-orange);
    flex-shrink: 0;
    stroke-width: 2.5;
}

.hero__values {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-bottom: var(--spacing-lg);
}

.value-card {
    background: var(--fx-white);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.06);
    transition: var(--transition);
}

.value-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.value-card__icon {
    width: 64px;
    height: 64px;
    background: var(--fx-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.value-card__icon svg {
    stroke: var(--fx-orange);
}

.value-card h3 {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--fx-steel);
    margin-bottom: 0.75rem;
    line-height: 1.3;
}

.value-card p {
    font-size: 0.95rem;
    color: var(--fx-grey);
    line-height: 1.6;
}

.hero__trust {
    background: #fff3e0;
    padding: 2rem;
    border-radius: 12px;
    border-left: 4px solid var(--fx-orange);
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.hero__trust-badge {
    font-size: 1.1rem;
    color: var(--fx-steel);
    margin-bottom: 0.5rem;
}

.hero__trust-badge strong {
    color: var(--fx-orange);
    font-weight: 700;
}

.hero__trust-text {
    font-size: 1rem;
    color: var(--fx-grey);
}

.hero__cta {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: var(--spacing-md);
}

.btn--large {
    padding: 1.1rem 2.5rem;
    font-size: 1.05rem;
}

.hero__signals {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.signal {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    color: var(--fx-grey);
}

.signal svg {
    width: 18px;
    height: 18px;
    stroke: var(--fx-orange);
}

.signal svg {
    stroke: var(--fx-orange);
    flex-shrink: 0;
}

/* Responsive cho mobile (Galaxy S20 Ultra và nhỏ hơn: 412px) */
@media screen and (max-width: 412px) {
    .hero-top .container {
        margin: 0 auto;  /* Căn giữa trên mobile */
    }
    
    .hero-top__content {
        justify-content: center;  /* Căn giữa content */
    }
    
    .hero-top__box {
        margin-left: 0;  /* Xóa margin-left trên mobile */
        padding: 2rem;
        max-width: 100%;
    }
    
    .hero-top__title {
        font-size: 1.75rem;
    }
    
    .hero-top__buttons {
        flex-direction: column;
    }
    
    .hero-top__buttons .btn {
        width: 100%;
        text-align: center;
    }
    
    .hero-bottom {
        padding: var(--spacing-lg) 0;
    }
    
    .hero__values {
        grid-template-columns: 1fr;
    }
    
    .hero__features {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
    }
    
    .hero__cta {
        flex-direction: column;
    }
    
    .btn--large {
        width: 100%;
    }
    
    .hero__signals {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
    }
}

/* Responsive cho tablet (413px - 768px) */
@media screen and (min-width: 413px) and (max-width: 768px) {
    .hero-top__box {
        padding: 2rem;
    }
    
    .hero-top__title {
        font-size: 2rem;
    }
    
    .hero-top__buttons {
        flex-direction: column;
    }
    
    .hero-top__buttons .btn {
        width: 100%;
        text-align: center;
    }
    
    .hero-bottom {
        padding: var(--spacing-lg) 0;
    }
    
    .hero__values {
        grid-template-columns: 1fr;
    }
    
    .hero__features {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
    }
    
    .hero__cta {
        flex-direction: column;
    }
    
    .btn--large {
        width: 100%;
    }
    
    .hero__signals {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
    }
}

/* === JOURNEY SELECTION === */
.journey {
    background-color: var(--fx-white);
    padding-top: var(--spacing-sm);  /* Giảm khoảng trắng top từ 3rem xuống 1rem */
}

.journey__paths {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
    gap: var(--spacing-md);
}

.path-card {
    background-color: var(--fx-light);
    padding: var(--spacing-md);
    border-radius: 12px;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.path-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

.path-card__icon {
    width: 80px;
    height: 80px;
    background-color: var(--fx-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-sm);
}

.path-card__icon svg {
    stroke: var(--fx-orange);
}

.path-card__title {
    font-size: 1.4rem;
    margin-bottom: var(--spacing-xs);
    color: var(--fx-steel);
}

.path-card__description {
    color: var(--fx-grey);
    margin-bottom: var(--spacing-sm);
}

.path-card__benefits {
    list-style: none;
    margin-bottom: var(--spacing-sm);
    flex-grow: 1;
}

.path-card__benefits li {
    padding-left: 1.5rem;
    margin-bottom: 0.75rem;
    position: relative;
    color: var(--fx-grey);
}

.path-card__benefits li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--fx-orange);
    font-size: 1.5rem;
    line-height: 1;
}

/* === SOLUTION OVERVIEW === */
.solution {
    background-color: var(--fx-light);
}

.solution__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--spacing-sm);
}

.solution-card {
    background-color: var(--fx-white);
    padding: var(--spacing-sm);
    border-radius: 8px;
    transition: var(--transition);
}

.solution-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
}

.solution-card__header {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: var(--spacing-xs);
}

.solution-card__header svg {
    stroke: var(--fx-orange);
    margin-bottom: 0.5rem;
}

.solution-card__header h3 {
    font-size: 1.3rem;
    color: var(--fx-steel);
}

.solution-card__main {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1.05rem;
    color: var(--fx-steel);
    margin-bottom: var(--spacing-xs);
    text-align: center;
}

.solution-card__detail {
    color: var(--fx-grey);
    font-size: 0.95rem;
    line-height: 1.6;
    text-align: center;
    margin-bottom: 0;
}

.solution-card__specs {
    list-style: none;
    padding: 0;
    margin: var(--spacing-xs) 0 0 0;
    text-align: left;
}

.solution-card__specs li {
    color: var(--fx-grey);
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 0.5rem;
    padding-left: 1.5rem;
    position: relative;
}

.solution-card__specs li:before {
    content: "•";
    color: var(--fx-orange);
    font-weight: bold;
    position: absolute;
    left: 0;
}

/* === ADVANTAGES === */
.advantages {
    background-color: var(--fx-white);
}

.advantages__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: var(--spacing-md);
}

.advantage-card {
    background-color: var(--fx-light);
    padding: var(--spacing-md);
    border-radius: 8px;
    position: relative;
    transition: var(--transition);
}

.advantage-card:hover {
    transform: translateX(5px);
    box-shadow: -5px 0 0 var(--fx-orange), 0 5px 20px rgba(0, 0, 0, 0.08);
}

.advantage-card__number {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 700;
    color: var(--fx-orange);
    opacity: 0.3;
    line-height: 1;
    margin-bottom: 0.5rem;
}

.advantage-card__title {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: var(--fx-steel);
}

.advantage-card__subtitle {
    font-family: var(--font-heading);
    font-weight: 600;
    color: var(--fx-orange);
    margin-bottom: var(--spacing-xs);
}

.advantage-card__list {
    list-style: none;
}

.advantage-card__list li {
    padding-left: 1.5rem;
    margin-bottom: 0.75rem;
    position: relative;
    color: var(--fx-grey);
}

.advantage-card__list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--fx-orange);
    font-weight: 700;
}

/* Responsive */
@media screen and (max-width: 768px) {
    .journey__paths {
        grid-template-columns: 1fr;
    }
    
    .solution__grid {
        grid-template-columns: 1fr;
    }
    
    .advantages__grid {
        grid-template-columns: 1fr;
    }
}

/* === TECHNOLOGY === */
.technology {
    background-color: var(--fx-white);
    padding-top: var(--spacing-md);  /* Giảm khoảng trắng top từ 6rem xuống 4rem */
}

.tech__modules {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-md);
}

.tech-module {
    background-color: var(--fx-light);
    padding: var(--spacing-sm);
    border-radius: 8px;
    transition: var(--transition);
}

.tech-module:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

.tech-module__header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: var(--spacing-sm);
}

.tech-module__icon {
    width: 60px;
    height: 60px;
    background-color: var(--fx-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.tech-module__icon svg {
    stroke: var(--fx-orange);
}

.tech-module__header h3 {
    font-size: 1.2rem;
    color: var(--fx-steel);
}

.tech-module__list {
    list-style: none;
}

.tech-module__list li {
    padding: 0.75rem 0;
    border-bottom: 1px solid rgba(108, 117, 125, 0.1);
    color: var(--fx-grey);
    font-size: 0.95rem;
}

.tech-module__list li:last-child {
    border-bottom: none;
}

.tech-module__list strong {
    color: var(--fx-steel);
    font-weight: 600;
}

/* === TRUST & RELIABILITY === */
.trust {
    background-color: var(--fx-light);
}

.trust__pillars {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--spacing-md);
}

.trust-pillar {
    background-color: var(--fx-white);
    padding: var(--spacing-sm);
    border-radius: 8px;
    text-align: center;
    transition: var(--transition);
}

.trust-pillar:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
}

.trust-pillar__icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-xs);
    background-color: var(--fx-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.trust-pillar__icon svg {
    stroke: var(--fx-orange);
}

.trust-pillar h3 {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-xs);
    color: var(--fx-steel);
}

.trust-pillar p {
    color: var(--fx-grey);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 0;
}

/* === PROCESS === */
.process {
    background-color: var(--fx-white);
}

.process__timeline {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}

.process__timeline::before {
    content: '';
    position: absolute;
    left: 30px;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(to bottom, var(--fx-orange), var(--fx-grey));
}

.process-step {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    position: relative;
}

.process-step__number {
    width: 60px;
    height: 60px;
    background-color: var(--fx-orange);
    color: var(--fx-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    flex-shrink: 0;
    position: relative;
    z-index: 1;
}

.process-step__content {
    flex: 1;
    background-color: var(--fx-light);
    padding: var(--spacing-sm);
    border-radius: 8px;
    transition: var(--transition);
}

.process-step__content:hover {
    background-color: var(--fx-white);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
}

.process-step__title {
    font-size: 1.3rem;
    color: var(--fx-steel);
    margin-bottom: 0.5rem;
}

.process-step__duration {
    font-family: var(--font-heading);
    font-weight: 600;
    color: var(--fx-orange);
    margin-bottom: 0.75rem;
}

.process-step__description {
    color: var(--fx-grey);
    margin-bottom: 0;
    line-height: 1.6;
}

/* Responsive */
@media screen and (max-width: 768px) {
    .tech__modules {
        grid-template-columns: 1fr;
    }
    
    .trust__pillars {
        grid-template-columns: 1fr;
    }
    
    .process__timeline::before {
        left: 15px;
    }
    
    .process-step {
        gap: var(--spacing-xs);
    }
    
    .process-step__number {
        width: 50px;
        height: 50px;
        font-size: 1.2rem;
    }
}

/* === CONTACT FORM === */
.contact {
    background: linear-gradient(135deg, var(--fx-light) 0%, var(--fx-white) 100%);
}

.contact__content {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.contact__benefits h3 {
    font-size: 1.3rem;
    margin-bottom: var(--spacing-sm);
    color: var(--fx-steel);
}

.benefit-item {
    display: flex;
    gap: 1rem;
    margin-bottom: var(--spacing-sm);
}

.benefit-item__icon {
    width: 40px;
    height: 40px;
    background-color: var(--fx-orange);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.benefit-item__icon svg {
    stroke: var(--fx-white);
}

.benefit-item__content h4 {
    font-size: 1.1rem;
    margin-bottom: 0.25rem;
    color: var(--fx-steel);
}

.benefit-item__content p {
    color: var(--fx-grey);
    font-size: 0.95rem;
    margin-bottom: 0;
}

.contact__form-wrapper {
    background-color: var(--fx-white);
    padding: var(--spacing-md);
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

.contact__form h3 {
    font-size: 1.3rem;
    margin-bottom: var(--spacing-sm);
    color: var(--fx-steel);
    text-align: center;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    font-family: var(--font-heading);
    font-weight: 600;
    color: var(--fx-steel);
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
}

.form-group input[type="text"],
.form-group input[type="tel"],
.form-group input[type="email"],
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.875rem;
    border: 2px solid var(--fx-light);
    border-radius: 4px;
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--fx-steel);
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--fx-orange);
}

.checkbox-group {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    color: var(--fx-grey);
    font-size: 0.95rem;
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--fx-orange);
}

.btn--full {
    width: 100%;
}

.form__guarantees {
    margin-top: var(--spacing-sm);
    padding-top: var(--spacing-sm);
    border-top: 2px solid var(--fx-light);
}

.form__guarantees p {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--fx-grey);
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.form__guarantees strong {
    color: var(--fx-orange);
    font-size: 1.2rem;
}

/* FAQ */
.faq {
    max-width: 800px;
    margin: 0 auto;
}

.faq__title {
    font-size: 1.5rem;
    text-align: center;
    margin-bottom: var(--spacing-md);
    color: var(--fx-steel);
}

.faq__items {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.faq-item {
    background-color: var(--fx-white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.faq-item__question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem;
    cursor: pointer;
    transition: var(--transition);
}

.faq-item__question:hover {
    background-color: var(--fx-light);
}

.faq-item__question h4 {
    font-size: 1.05rem;
    color: var(--fx-steel);
    margin: 0;
}

.faq-icon {
    stroke: var(--fx-orange);
    transition: var(--transition);
    flex-shrink: 0;
}

.faq-item.active .faq-icon {
    transform: rotate(180deg);
}

.faq-item__answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-item.active .faq-item__answer {
    max-height: 200px;
}

.faq-item__answer p {
    padding: 0 1.25rem 1.25rem;
    color: var(--fx-grey);
    margin: 0;
}

/* Responsive */
@media screen and (max-width: 968px) {
    .contact__content {
        grid-template-columns: 1fr;
    }
    
    .contact__benefits {
        order: 2;
    }
    
    .contact__form-wrapper {
        order: 1;
    }
}

/* === FOOTER === */
.footer {
    background-color: var(--fx-steel);
    color: var(--fx-white);
    padding: var(--spacing-md) 0 var(--spacing-sm);
}

.footer__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

.footer__title {
    color: var(--fx-white);
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.footer__logo {
    height: 40px;
    width: auto;
    margin-bottom: 1rem;
}

.footer__tagline {
    color: var(--fx-light);
    font-size: 0.95rem;
}

.footer__contact {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer__info {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--fx-light);
    font-size: 0.95rem;
}

.footer__info svg {
    flex-shrink: 0;
    stroke: var(--fx-orange);
}

.footer__info a {
    color: var(--fx-light);
}

.footer__info a:hover {
    color: var(--fx-orange);
}

.footer__social {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer__social-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--fx-light);
    font-size: 0.95rem;
    transition: color 0.3s ease;
}

.footer__social-link svg {
    flex-shrink: 0;
}

.footer__social-link:hover {
    color: var(--fx-orange);
}

.footer__bottom {
    text-align: center;
    padding-top: var(--spacing-sm);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--fx-light);
    font-size: 0.9rem;
}

/* === RESPONSIVE === */
@media screen and (max-width: 768px) {
    .section {
        padding: var(--spacing-md) 0;
    }
    
    .footer__grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer__info {
        justify-content: center;
    }
}

/* === DESKTOP LAYOUT (>= 1024px) === */
@media screen and (min-width: 1024px) {
    /* Hero Values - 4 thẻ ngang */
    .hero__values {
        grid-template-columns: repeat(4, 1fr);
    }
    
    /* Trust Pillars - 4 thẻ ngang */
    .trust__pillars {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* === ACCESSIBILITY === */
:focus-visible {
    outline: 2px solid var(--fx-orange);
    outline-offset: 2px;
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}