:root {
    --gold: #DCA54A;
    --gold-dark: #B7731F;
    --gold-nav: #D09A40;
    --cream: #FAF5E5;
    --dark: #0F172A;
    --body-text: #54595F;
    --light-text: #EFF2FF;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Open Sans', sans-serif;
    font-size: 16px;
    color: var(--body-text);
    background: #fff;
    line-height: 1.7;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Poppins', sans-serif;
    font-weight: 700;
    color: var(--dark);
    line-height: 1.3;
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: color .3s ease;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.btn {
    display: inline-block;
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
    font-size: 15px;
    padding: 17px 35px;
    border-radius: 6px;
    border: none;
    cursor: pointer;
    transition: all .3s ease;
}

.btn-gold {
    background: var(--gold);
    color: #000;
}

.btn-gold:hover {
    background: var(--gold-dark);
    color: #fff;
}

.section {
    padding: 70px 0;
}

.section-head {
    text-align: center;
    max-width: 760px;
    margin: 0 auto 50px;
}

.section-head h2 {
    font-size: 36px;
    margin-bottom: 15px;
}

.section-head h4 {
    font-size: 20px;
    color: var(--body-text);
    font-weight: 500;
}

.section-action {
    text-align: center;
    margin-top: 50px;
}

.site-header {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 10px 0;
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 82px;
}

.brand img {
    width: 120px;
    height: 60px;
    object-fit: contain;
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 32px;
}

.main-nav a {
    font-family: 'Poppins', sans-serif;
    font-weight: 500;
    font-size: 16px;
    color: #fff;
}

.main-nav a:hover,
.main-nav a.active {
    color: var(--gold);
}

.main-nav .nav-cta {
    color: var(--gold-nav);
    font-weight: 600;
    letter-spacing: .5px;
    border: 2px solid var(--gold-nav);
    padding: 8px 22px;
    border-radius: 6px;
}

.main-nav .nav-cta:hover {
    background: var(--gold-nav);
    color: #000;
}

.main-nav .nav-login {
    background: var(--gold-nav);
    color: #000;
    font-weight: 600;
    padding: 10px 24px;
    border-radius: 6px;
}

.main-nav .nav-login:hover {
    background: #B7731F;
    color: #fff;
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    color: #fff;
    font-size: 24px;
    cursor: pointer;
}

.hero {
    position: relative;
    min-height: 720px;
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: rgba(15, 23, 42, .55);
}

.hero-inner {
    position: relative;
    z-index: 1;
    max-width: 1200px;
    width: 100%;
}

.hero h4 {
    color: #fff;
    font-size: 20px;
    margin-bottom: 12px;
}

.hero h1 {
    color: #fff;
    font-size: 48px;
    margin-bottom: 20px;
}

.hero p {
    color: var(--light-text);
    max-width: 560px;
    margin-bottom: 35px;
}

.page-hero {
    position: relative;
    min-height: 500px;
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
}

.page-hero-inner {
    position: relative;
    z-index: 1;
    text-align: center;
    width: 100%;
}

.page-hero h4 {
    color: var(--gold);
    font-size: 18px;
    letter-spacing: 1px;
    margin-bottom: 10px;
}

.page-hero h1 {
    color: #fff;
    font-size: 48px;
}

.advantages {
    background: var(--cream);
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
}

.info-card {
    background: #fff;
    padding: 40px;
    box-shadow: 0 0 10px rgba(0, 0, 0, .5);
    text-align: center;
    transition: transform .3s ease;
}

.info-card:hover {
    transform: translateY(-6px);
}

.info-card i {
    font-size: 42px;
    color: var(--gold);
    margin-bottom: 20px;
    display: inline-block;
}

.info-card h4 {
    font-size: 20px;
    margin-bottom: 12px;
}

.info-card p {
    font-size: 15px;
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    align-items: start;
}

.price-table {
    background: #fff;
    border: 1px solid #eee;
    box-shadow: 0 0 15px rgba(0, 0, 0, .08);
    overflow: hidden;
}

.price-table-head {
    background: var(--gold-dark);
    padding: 28px 25px;
    text-align: center;
}

.price-table-head h3 {
    color: #fff;
    font-size: 22px;
}

.price-table-list {
    list-style: none;
    padding: 30px 30px 10px;
}

.price-table-list li {
    padding: 10px 0;
    border-bottom: 1px solid #f2f2f2;
    font-size: 15px;
}

.price-table-list li:last-child {
    border-bottom: none;
}

.price-table-list i {
    color: var(--gold);
    margin-right: 10px;
}

.price-table-foot {
    text-align: center;
    color: var(--gold);
    padding: 5px 20px 30px;
    overflow: hidden;
    white-space: nowrap;
}

.clients {
    background: var(--cream);
    overflow: hidden;
}

.clients .section-head {
    margin-bottom: 30px;
}

.clients-marquee {
    overflow: hidden;
    padding: 10px 0 20px;
}

.clients-track {
    display: flex;
    align-items: center;
    width: calc(200% + 600px);
    animation: marquee 30s linear infinite;
}

.clients-set {
    display: flex;
    align-items: center;
    justify-content: space-around;
    gap: 40px;
    flex: 0 0 50%;
    width: 50%;
    padding: 0 40px;
}

.client-logo {
    flex: 0 1 120px;
    min-width: 0;
    height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.client-logo img {
    max-height: 110px;
    max-width: 100%;
    object-fit: contain;
}

@keyframes marquee {
    from { transform: translateX(0); }
    to { transform: translateX(-50%); }
}

.cta {
    background: #fff;
}

.cta-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
}

.cta h3 {
    color: var(--gold);
    font-size: 28px;
    margin-bottom: 15px;
}

.cta-text {
    max-width: 720px;
}

.cta-action {
    flex-shrink: 0;
}

.about-intro {
    background: var(--cream);
}

.about-intro-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.about-intro-col h3 {
    font-size: 24px;
    margin-bottom: 15px;
}

.about-intro-col ul {
    padding-left: 20px;
}

.about-intro-col li {
    margin-bottom: 8px;
}

.approach-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px 60px;
}

.approach-item {
    position: relative;
    padding: 40px 20px 0;
}

.approach-num {
    position: absolute;
    top: 0;
    left: 0;
    font-family: 'Poppins', sans-serif;
    font-size: 100px;
    font-weight: 700;
    line-height: 1;
    color: rgba(36, 42, 86, .063);
    z-index: 0;
}

.approach-item h4 {
    position: relative;
    font-size: 22px;
    margin-bottom: 12px;
    z-index: 1;
}

.approach-item p {
    position: relative;
    z-index: 1;
}

.faq .section-head {
    margin-bottom: 40px;
}

.faq-list {
    max-width: 900px;
    margin: 0 auto;
}

.faq-list details {
    background: #fff;
    border: 1px solid #e8e8e8;
    box-shadow: 0 2px 8px rgba(0, 0, 0, .06);
    margin-bottom: 15px;
    border-radius: 6px;
    overflow: hidden;
}

.faq-list summary {
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
    font-size: 17px;
    color: var(--dark);
    padding: 18px 24px;
    cursor: pointer;
    list-style: none;
    position: relative;
}

.faq-list summary::-webkit-details-marker {
    display: none;
}

.faq-list summary::after {
    content: '\002B';
    position: absolute;
    right: 24px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 22px;
    color: var(--gold);
}

.faq-list details[open] summary::after {
    content: '\2212';
}

.faq-list details[open] summary {
    background: var(--cream);
}

.faq-body {
    padding: 18px 24px;
    border-top: 1px solid #eee;
}

.faq-body p,
.faq-body li {
    margin-bottom: 8px;
    text-align: justify;
}

.faq-body ol,
.faq-body ul {
    padding-left: 22px;
}

.achievements {
    background: var(--cream);
}

.achievements .section-head {
    margin-bottom: 40px;
}

.achievements .section-head h4 {
    font-size: 28px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 10px;
}

.counters {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    text-align: center;
}

.counter-number {
    display: block;
    font-family: 'Poppins', sans-serif;
    font-size: 56px;
    font-weight: 700;
    color: var(--gold);
    line-height: 1.1;
}

.counter-title {
    font-family: 'Poppins', sans-serif;
    font-size: 18px;
    color: var(--dark);
    font-weight: 500;
}

.services-intro {
    background: var(--cream);
}

.services-intro-inner {
    max-width: 860px;
    text-align: center;
}

.services-intro h3 {
    font-size: 32px;
    margin-bottom: 20px;
}

.services-intro p {
    margin-bottom: 35px;
}

.contact-section {
    background: linear-gradient(180deg, #fff 0%, var(--cream) 100%);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 40px;
    align-items: start;
}

.contact-form-card {
    background: #fff;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 5px 25px rgba(0, 0, 0, .08);
}

.contact-form-card h3 {
    font-size: 26px;
    margin-bottom: 25px;
}

.form-group {
    margin-bottom: 18px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-family: 'Open Sans', sans-serif;
    font-size: 15px;
    color: var(--dark);
    background: #fff;
    resize: vertical;
}

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

.phone-group {
    display: flex;
    align-items: stretch;
}

.phone-prefix {
    display: flex;
    align-items: center;
    padding: 0 16px;
    border: 1px solid #ddd;
    border-right: none;
    border-radius: 6px 0 0 6px;
    background: #f8f8f8;
    color: var(--dark);
    font-weight: 600;
}

.phone-group input {
    border-radius: 0 6px 6px 0;
}

.contact-info h3 {
    font-size: 26px;
    margin-bottom: 25px;
}

.contact-info-card {
    background: #fff;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 25px rgba(0, 0, 0, .08);
    margin-bottom: 25px;
}

.contact-info-card h4 {
    font-size: 20px;
    margin-bottom: 15px;
}

.contact-info-card ul {
    list-style: none;
}

.contact-info-card li {
    margin-bottom: 14px;
    display: flex;
    gap: 12px;
    align-items: flex-start;
}

.contact-info-card i {
    color: var(--gold);
    margin-top: 5px;
}

.hotline-card {
    background: var(--dark);
    color: #fff;
    padding: 25px 30px;
    border-radius: 10px;
}

.hotline-card span {
    font-family: 'Poppins', sans-serif;
    font-size: 14px;
    letter-spacing: 2px;
    color: var(--gold);
}

.hotline-card h3 {
    color: #fff;
    font-size: 24px;
    margin-top: 8px;
}

.hotline-card i {
    color: #25D366;
    margin-right: 8px;
}

.contact-map {
    margin-top: 50px;
}

.contact-map iframe {
    width: 100%;
    height: 380px;
    border: 0;
    border-radius: 10px;
    box-shadow: 0 5px 25px rgba(0, 0, 0, .08);
}

.site-footer {
    background: var(--dark);
    color: #fff;
    padding: 70px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1.3fr;
    gap: 40px;
    padding-bottom: 50px;
}

.footer-brand img {
    width: 140px;
    margin-bottom: 20px;
}

.footer-brand p {
    font-size: 15px;
    color: #cbd5e1;
    margin-bottom: 20px;
}

.footer-review {
    color: var(--gold);
    font-weight: 600;
}

.footer-review:hover {
    color: #fff;
}

.footer-col h4 {
    color: #fff;
    font-size: 22px;
    margin-bottom: 20px;
}

.footer-col ul {
    list-style: none;
}

.footer-col li {
    margin-bottom: 12px;
}

.footer-col a {
    color: #cbd5e1;
    font-size: 15px;
}

.footer-col a:hover {
    color: var(--gold);
}

.footer-contact li {
    display: flex;
    gap: 12px;
    align-items: flex-start;
    color: #cbd5e1;
    font-size: 15px;
}

.footer-contact i {
    color: var(--gold);
    margin-top: 5px;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, .1);
    padding: 20px 0;
    text-align: center;
    font-size: 14px;
    color: #94a3b8;
}

@media (max-width: 1024px) {
    .advantages-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .portfolio-grid {
        grid-template-columns: 1fr;
        max-width: 520px;
        margin: 0 auto;
    }

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

    .about-intro-grid {
        grid-template-columns: 1fr;
    }

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

    .cta-inner {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 768px) {
    .nav-toggle {
        display: block;
    }

    .main-nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--dark);
        flex-direction: column;
        padding: 25px 20px;
        gap: 18px;
    }

    .main-nav.open {
        display: flex;
    }

    .hero h1,
    .page-hero h1 {
        font-size: 32px;
    }

    .section-head h2 {
        font-size: 28px;
    }

    .advantages-grid,
    .approach-grid,
    .counters {
        grid-template-columns: 1fr;
    }

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

    .cta h3 {
        font-size: 22px;
    }
}

.notif-gagal {
    position: fixed;
    top: 90px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1000;
    width: calc(100% - 32px);
    max-width: 520px;
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 14px 16px;
    background: #FEF2F2;
    border: 1px solid #FECACA;
    border-left: 4px solid #DC2626;
    border-radius: 10px;
    color: #991B1B;
    font-size: 14px;
    line-height: 1.5;
    box-shadow: 0 10px 28px rgba(15, 23, 42, .12);
}

.notif-gagal i {
    margin-top: 3px;
}

.notif-gagal span {
    flex: 1;
}

.notif-gagal button {
    background: none;
    border: 0;
    color: inherit;
    cursor: pointer;
    padding: 0 2px;
    font-size: 15px;
}